Revenue Recognition (Schedule of Impact from Initial Application Period Cumulative Effect Transition) (Details) - USD ($) |
3 Months Ended | 12 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2018 |
Sep. 30, 2018 |
Jun. 30, 2018 |
Mar. 31, 2018 |
Dec. 31, 2017 |
Sep. 30, 2017 |
Jun. 30, 2017 |
Mar. 31, 2017 |
Dec. 31, 2018 |
Dec. 31, 2017 |
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| Revenue, Initial Application Period Cumulative Effect Transition [Line Items] | ||||||||||
| Trade accounts receivable | $ 13,401,042 | $ 12,183,217 | $ 13,401,042 | $ 12,183,217 | ||||||
| Inventories | 16,175,616 | 13,984,428 | 16,175,616 | 13,984,428 | ||||||
| Other current assets | 1,553,972 | 810,532 | 1,553,972 | 810,532 | ||||||
| Other accrued liabilities | 3,168,049 | 1,586,473 | 3,168,049 | 1,586,473 | ||||||
| Revenues | 18,659,000 | $ 15,292,000 | $ 15,038,000 | $ 16,774,000 | 19,043,000 | $ 20,412,000 | $ 22,068,000 | $ 20,800,000 | 65,762,946 | 82,322,618 |
| Gross profit | 21,307,249 | 20,836,239 | ||||||||
| Selling, general and administrative expenses | 27,501,691 | 28,699,138 | ||||||||
| Operating loss | (260,000) | $ (1,602,000) | $ (2,722,000) | $ (1,974,000) | $ (1,584,000) | $ (4,654,000) | $ (4,067,000) | $ (1,460,000) | (6,558,118) | $ (11,764,829) |
| Balances without adoption of ASC 606 [Member] | ||||||||||
| Revenue, Initial Application Period Cumulative Effect Transition [Line Items] | ||||||||||
| Trade accounts receivable | 11,778,000 | 11,778,000 | ||||||||
| Inventories | 17,008,000 | 17,008,000 | ||||||||
| Other current assets | 722,000 | 722,000 | ||||||||
| Other accrued liabilities | 1,545,000 | 1,545,000 | ||||||||
| Revenues | 66,352,000 | |||||||||
| Gross profit | 21,896,000 | |||||||||
| Selling, general and administrative expenses | 28,091,000 | |||||||||
| Operating loss | (6,558,000) | |||||||||
| Accounting Standards Update 2014-09 [Member] | Effect of ChangeHigher/(Lower) [Member] | ||||||||||
| Revenue, Initial Application Period Cumulative Effect Transition [Line Items] | ||||||||||
| Trade accounts receivable | 1,623,000 | 1,623,000 | ||||||||
| Inventories | (832,000) | (832,000) | ||||||||
| Other current assets | 832,000 | 832,000 | ||||||||
| Other accrued liabilities | $ 1,623,000 | 1,623,000 | ||||||||
| Revenues | (589,000) | |||||||||
| Gross profit | (589,000) | |||||||||
| Selling, general and administrative expenses | $ (589,000) | |||||||||
| X | ||||||||||
- Definition Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The net result for the period of deducting operating expenses from operating revenues. No definition available.
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- Definition Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of current assets classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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