Schedule of Segment Information (Details) - USD ($) |
3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|---|
Sep. 30, 2021 |
Sep. 30, 2020 |
Sep. 30, 2020 |
Sep. 30, 2021 |
Sep. 30, 2020 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Segment Reporting Information [Line Items] | |||||||
| Sales | $ 1,947,000 | $ 3,530,000 | $ 9,627,952 | $ 5,719,000 | $ 5,882,000 | $ 42,575,546 | $ 50,906,179 |
| Revenue from Contract with Customer, Excluding Assessed Tax | (1,947,000) | (3,530,000) | (9,627,952) | (5,719,000) | (5,882,000) | (42,575,546) | (50,906,179) |
| Cost of sales | 6,389,247 | 6,147,904 | 12,331,924 | 11,573,499 | 25,369,118 | 28,720,367 | |
| Gross profit | 4,607,555 | 3,480,048 | 8,824,193 | 7,217,195 | 17,206,428 | 22,185,812 | |
| Gross Profit | (4,607,555) | (3,480,048) | (8,824,193) | (7,217,195) | (17,206,428) | (22,185,812) | |
| Selling, general and administrative expenses | 4,989,608 | 4,731,887 | 10,160,867 | 9,672,558 | 19,218,922 | 22,176,598 | |
| Selling, General and Administrative Expense | (4,989,608) | (4,731,887) | (10,160,867) | (9,672,558) | (19,218,922) | (22,176,598) | |
| Acquisition costs | 1,278,826 | 394,366 | 2,470,721 | 414,585 | 684,856 | ||
| Restructuring Charges | 242,000 | 958,000 | 960,000 | ||||
| Operating income (loss) | (1,660,879) | (1,646,205) | 3,807,395 | 2,869,948 | (2,697,350) | 9,214 | |
| Other income (expense) | (279,221) | 278,983 | 292,353 | 689,550 | 922,018 | 226,136 | |
| Income (loss) from continuing operations before tax | (1,940,100) | 1,367,222 | 4,099,748 | (2,180,398) | (1,775,332) | 235,350 | |
| Depreciation, Depletion and Amortization | 205,000 | 274,000 | 505,339 | 429,800 | 962,307 | 1,032,797 | |
| Capital expenditures | 9,000 | 79,000 | 20,000 | 101,000 | 250,000 | 425,000 | |
| [custom:PaymentsToAcquirePropertyPlantAndEquipment1] | 14,000 | ||||||
| Assets | 56,962,123 | 55,717,000 | 55,717,000 | 56,962,123 | 55,717,000 | 55,556,325 | 59,150,712 |
| Assets | (56,962,123) | (55,717,000) | (55,717,000) | (56,962,123) | (55,717,000) | (55,556,325) | (59,150,712) |
| Cost of Goods and Services Sold | (6,389,247) | (6,147,904) | (12,331,924) | (11,573,499) | (25,369,118) | (28,720,367) | |
| Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest | 1,940,100 | (1,367,222) | (4,099,748) | 2,180,398 | 1,775,332 | (235,350) | |
| TOTAL ASSETS | 56,962,123 | 55,717,000 | 55,717,000 | 56,962,123 | 55,717,000 | 55,556,325 | 59,150,712 |
| Assets | (56,962,123) | (55,717,000) | (55,717,000) | (56,962,123) | (55,717,000) | (55,556,325) | (59,150,712) |
| [custom:RestructuringCharges3] | 1,287,000 | 242,000 | |||||
| Operating Income (Loss) | 1,660,879 | 1,646,205 | (3,807,395) | (2,869,948) | 2,697,350 | (9,214) | |
| Nonoperating Income (Expense) | 279,221 | (278,983) | (292,353) | (689,550) | (922,018) | (226,136) | |
| Amortization of Deferred Charges | 106,000 | ||||||
| [custom:CostOfGoodsAndServicesSold3] | (35,000) | (152,000) | |||||
| [custom:SellingGeneralAndAdministrativeExpense2] | (1,687,930) | (1,959,583) | (5,566,808) | (5,016,736) | (662,000) | ||
| Intersegment Eliminations [Member] | |||||||
| Segment Reporting Information [Line Items] | |||||||
| Sales | 119,000 | (176,000) | 406,000 | 561,000 | (697,000) | (842,000) | |
| Revenue from Contract with Customer, Excluding Assessed Tax | (119,000) | 176,000 | (406,000) | (561,000) | 697,000 | 842,000 | |
| Cost of sales | 9,000 | 36,000 | (35,000) | (152,000) | |||
| Gross profit | 119,000 | 167,000 | 406,000 | 525,000 | (662,000) | (690,000) | |
| Gross Profit | (119,000) | (167,000) | (406,000) | (525,000) | 662,000 | 690,000 | |
| Selling, general and administrative expenses | 119,000 | 167,000 | 406,000 | 525,000 | (662,000) | 690,000 | |
| Selling, General and Administrative Expense | (119,000) | (167,000) | (406,000) | (525,000) | 662,000 | (690,000) | |
| Acquisition costs | |||||||
| Operating income (loss) | |||||||
| Other income (expense) | |||||||
| Income (loss) from continuing operations before tax | |||||||
| Capital expenditures | |||||||
| Assets | 27,000 | 27,000 | 27,000 | 27,000 | 27,000 | 27,000 | 27,000 |
| Assets | (27,000) | (27,000) | (27,000) | (27,000) | (27,000) | (27,000) | (27,000) |
| Cost of Goods and Services Sold | (9,000) | (36,000) | 35,000 | 152,000 | |||
| Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest | |||||||
| TOTAL ASSETS | 27,000 | 27,000 | 27,000 | 27,000 | 27,000 | 27,000 | 27,000 |
| Assets | (27,000) | (27,000) | (27,000) | (27,000) | (27,000) | (27,000) | (27,000) |
| Operating Income (Loss) | |||||||
| Nonoperating Income (Expense) | |||||||
| Services & Support Segment [Member] | |||||||
| Segment Reporting Information [Line Items] | |||||||
| Sales | 1,947,000 | 3,530,000 | 5,719,000 | 5,882,000 | 8,777,000 | 4,741,000 | |
| Revenue from Contract with Customer, Excluding Assessed Tax | (1,947,000) | (3,530,000) | (5,719,000) | (5,882,000) | (8,777,000) | (4,741,000) | |
| Cost of sales | 1,113,000 | 2,190,000 | 3,459,000 | 3,792,000 | 5,798,000 | 3,259,000 | |
| Gross profit | 834,000 | 1,340,000 | 2,260,000 | 2,090,000 | 2,979,000 | 1,482,000 | |
| Gross Profit | (834,000) | (1,340,000) | (2,260,000) | (2,090,000) | (2,979,000) | (1,482,000) | |
| Selling, general and administrative expenses | 669,000 | 803,000 | 2,290,000 | 1,614,000 | 2,669,000 | 1,485,000 | |
| Selling, General and Administrative Expense | (669,000) | (803,000) | (2,290,000) | (1,614,000) | (2,669,000) | (1,485,000) | |
| Acquisition costs | |||||||
| Operating income (loss) | 55,000 | 431,000 | 376,000 | 370,000 | 310,000 | (3,000) | |
| Other income (expense) | 4,000 | 20,000 | (32,000) | (10,000) | |||
| Income (loss) from continuing operations before tax | 59,000 | 431,000 | 356,000 | 370,000 | 278,000 | (13,000) | |
| Depreciation, Depletion and Amortization | 133,000 | 146,000 | 426,000 | 178,000 | 292,000 | 292,000 | |
| Capital expenditures | 5,000 | 11,000 | 1,000 | 14,000 | 69,000 | ||
| Assets | 6,776,000 | 8,334,000 | 8,334,000 | 6,776,000 | 8,334,000 | 55,556,325 | 1,694,000 |
| Assets | (6,776,000) | (8,334,000) | (8,334,000) | (6,776,000) | (8,334,000) | (55,556,325) | (1,694,000) |
| Cost of Goods and Services Sold | (1,113,000) | (2,190,000) | (3,459,000) | (3,792,000) | (5,798,000) | (3,259,000) | |
| Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest | (59,000) | (431,000) | (356,000) | (370,000) | (278,000) | 13,000 | |
| TOTAL ASSETS | 6,776,000 | 8,334,000 | 8,334,000 | 6,776,000 | 8,334,000 | 55,556,325 | 1,694,000 |
| Assets | (6,776,000) | (8,334,000) | (8,334,000) | (6,776,000) | (8,334,000) | (55,556,325) | (1,694,000) |
| Operating Income (Loss) | (55,000) | (431,000) | (376,000) | (370,000) | (310,000) | 3,000 | |
| Nonoperating Income (Expense) | (4,000) | (20,000) | 32,000 | 10,000 | |||
| Other Segments [Member] | |||||||
| Segment Reporting Information [Line Items] | |||||||
| Sales | |||||||
| Revenue from Contract with Customer, Excluding Assessed Tax | |||||||
| Cost of sales | |||||||
| Gross profit | |||||||
| Gross Profit | |||||||
| Selling, general and administrative expenses | 1,138,000 | 1,324,000 | 3,683,000 | 3,928,000 | 3,337,000 | 4,028,000 | |
| Selling, General and Administrative Expense | (1,138,000) | (1,324,000) | (3,683,000) | (3,928,000) | (3,337,000) | (4,028,000) | |
| Acquisition costs | 543,000 | 72,000 | 2,471,000 | 486,000 | 685,000 | ||
| Operating income (loss) | (1,940,100) | (1,396,000) | 5,780,000 | 4,414,000 | (4,022,000) | (4,028,000) | |
| Other income (expense) | 66,000 | 275,000 | 186,000 | 948,000 | 964,000 | 243,000 | |
| Income (loss) from continuing operations before tax | (1,857,000) | (1,121,000) | 5,966,000 | (3,466,000) | (3,058,000) | (3,785,000) | |
| Depreciation, Depletion and Amortization | 72,000 | 128,000 | 218,000 | 443,000 | 382,000 | 581,000 | |
| Capital expenditures | 79,000 | 100,000 | 155,000 | 275,000 | |||
| [custom:PaymentsToAcquirePropertyPlantAndEquipment1] | 9,000 | ||||||
| Assets | 50,213,000 | 47,410,000 | 47,410,000 | 50,213,000 | 47,410,000 | 31,664,000 | 37,582,000 |
| Assets | (50,213,000) | (47,410,000) | (47,410,000) | (50,213,000) | (47,410,000) | (31,664,000) | (37,582,000) |
| Cost of Goods and Services Sold | |||||||
| Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest | 1,857,000 | 1,121,000 | (5,966,000) | 3,466,000 | 3,058,000 | 3,785,000 | |
| TOTAL ASSETS | 50,213,000 | 47,410,000 | 47,410,000 | 50,213,000 | 47,410,000 | 31,664,000 | 37,582,000 |
| Assets | (50,213,000) | $ (47,410,000) | (47,410,000) | (50,213,000) | (47,410,000) | (31,664,000) | (37,582,000) |
| Operating Income (Loss) | 1,940,100 | 1,396,000 | (5,780,000) | (4,414,000) | 4,022,000 | 4,028,000 | |
| Nonoperating Income (Expense) | (66,000) | (275,000) | (186,000) | (948,000) | (964,000) | (243,000) | |
| Electronics & Software Segment [Member] | |||||||
| Segment Reporting Information [Line Items] | |||||||
| Sales | 1,947,000 | 3,530,000 | 5,719,000 | 5,882,000 | 34,496,000 | 47,007,000 | |
| Revenue from Contract with Customer, Excluding Assessed Tax | $ (1,947,000) | $ (3,530,000) | $ (5,719,000) | $ (5,882,000) | (34,496,000) | (47,007,000) | |
| Cost of sales | 19,606,000 | 25,613,000 | |||||
| Gross profit | 14,890,000 | 21,394,000 | |||||
| Gross Profit | (14,890,000) | (21,394,000) | |||||
| Selling, general and administrative expenses | 13,875,000 | 17,354,000 | |||||
| Selling, General and Administrative Expense | (13,875,000) | (17,354,000) | |||||
| Acquisition costs | |||||||
| Operating income (loss) | 1,015,000 | 4,040,000 | |||||
| Other income (expense) | (10,000) | (7,000) | |||||
| Income (loss) from continuing operations before tax | 1,005,000 | 4,033,000 | |||||
| Depreciation, Depletion and Amortization | 288,000 | 360,000 | |||||
| Capital expenditures | 81,000 | 81,000 | |||||
| Assets | 15,398,000 | 19,902,000 | |||||
| Assets | (15,398,000) | (19,902,000) | |||||
| Cost of Goods and Services Sold | (19,606,000) | (25,613,000) | |||||
| Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest | (1,005,000) | (4,033,000) | |||||
| TOTAL ASSETS | 15,398,000 | 19,902,000 | |||||
| Assets | (15,398,000) | (19,902,000) | |||||
| Operating Income (Loss) | (1,015,000) | (4,040,000) | |||||
| Nonoperating Income (Expense) | $ 10,000 | $ 7,000 | |||||