Quarterly report pursuant to Section 13 or 15(d)

Segment Information (Schedule Of Segment Information) (Details)

v2.4.0.8
Segment Information (Schedule Of Segment Information) (Details) (USD $)
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Segment Reporting Information [Line Items]      
Sales $ 25,198,406 $ 27,452,731  
Cost of sales 16,210,390 17,676,804  
Gross profit 8,988,016 9,775,927  
Selling, general and administrative expenses 9,002,112 9,405,150  
Restructuring expense 237,838    
Operating income (loss) (251,934) 370,777  
Depreciation and amortization 560,622 485,793  
Capital expenditures 823,633 479,129  
Assets 101,073,202 111,069,600 103,532,741
Suttle [Member]
     
Segment Reporting Information [Line Items]      
Sales 12,882,331 12,412,188  
Cost of sales 9,392,136 9,096,683  
Gross profit 3,490,195 3,315,505  
Selling, general and administrative expenses 3,137,649 2,628,244  
Operating income (loss) 352,546 687,261  
Depreciation and amortization 293,171 243,353  
Capital expenditures 626,911 164,402  
Assets 32,608,313 26,834,977  
Transition Networks [Member]
     
Segment Reporting Information [Line Items]      
Sales 9,749,381 10,813,121  
Cost of sales 5,042,970 5,092,291  
Gross profit 4,706,411 5,720,830  
Selling, general and administrative expenses 5,179,759 6,044,659  
Restructuring expense 237,838    
Operating income (loss) (711,186) (323,829)  
Depreciation and amortization 230,714 210,954  
Capital expenditures 107,413 131,354  
Assets 27,092,762 31,484,025  
JDL Technologies [Member]
     
Segment Reporting Information [Line Items]      
Sales 2,566,694 4,227,422  
Cost of sales 1,775,284 3,487,830  
Gross profit 791,410 739,592  
Selling, general and administrative expenses 684,704 732,247  
Operating income (loss) 106,706 7,345  
Depreciation and amortization 36,737 31,486  
Capital expenditures 9,756 15,361  
Assets 6,346,670 14,551,382  
Other [Member]
     
Segment Reporting Information [Line Items]      
Capital expenditures 79,553 168,012  
Assets $ 35,025,457 $ 38,199,216