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 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Dec. 31, 2012
Segment Reporting Information [Line Items]          
Sales $ 31,936,602 $ 25,561,258 $ 59,389,333 $ 49,805,179  
Cost of sales 20,408,285 14,905,375 38,085,089 29,200,669  
Gross profit 11,528,317 10,655,883 21,304,244 20,604,510  
Selling, general and administrative expenses 8,961,467 9,298,281 18,366,616 19,116,463  
Operating income (loss) 2,566,850 1,357,602 2,937,628 1,488,047  
Depreciation and amortization 572,861 539,563 1,058,654 1,124,254  
Capital expenditures 827,452 532,358 1,306,581 1,213,458  
Assets 110,011,819 113,316,868 110,011,819 113,316,868 112,534,645
Suttle [Member]
          
Segment Reporting Information [Line Items]          
Sales 13,852,329 10,347,556 26,264,517 20,924,860  
Cost of sales 9,990,159 7,850,557 19,086,842 15,526,519  
Gross profit 3,862,170 2,496,999 7,177,675 5,398,341  
Selling, general and administrative expenses 2,608,738 2,205,227 4,966,678 4,573,668  
Operating income (loss) 1,253,432 291,772 2,210,997 824,673  
Depreciation and amortization 223,449 239,636 440,198 483,661  
Capital expenditures 274,380 262,689 438,782 665,588  
Assets 27,557,698 28,333,064 27,557,698 28,333,064  
Transition Networks [Member]
          
Segment Reporting Information [Line Items]          
Sales 10,461,771 14,029,507 21,274,892 26,967,699  
Cost of sales 4,786,724 6,228,019 9,879,015 12,356,855  
Gross profit 5,675,047 7,801,488 11,395,877 14,610,844  
Selling, general and administrative expenses 5,062,853 5,569,837 10,558,032 11,192,074  
Operating income (loss) 612,194 2,231,651 837,845 3,418,770  
Depreciation and amortization 187,840 199,059 367,706 440,496  
Capital expenditures 369,621 77,193 500,975 159,645  
Assets 32,332,555 35,613,341 32,332,555 35,613,341  
JDL Technologies [Member]
          
Segment Reporting Information [Line Items]          
Sales 7,622,502 1,184,195 11,849,924 1,912,620  
Cost of sales 5,631,402 826,799 9,119,232 1,317,295  
Gross profit 1,991,100 357,396 2,730,692 595,325  
Selling, general and administrative expenses 587,021 529,147 1,146,153 1,114,115  
Operating income (loss) 1,404,079 (171,751) 1,584,539 (518,790)  
Depreciation and amortization 14,045 27,836 28,492 54,927  
Capital expenditures   4,595 15,361 14,691  
Assets 18,835,913 2,356,158 18,835,913 2,356,158  
Other [Member]
          
Segment Reporting Information [Line Items]          
Selling, general and administrative expenses 702,855 994,070 1,695,753 2,236,606  
Operating income (loss) (702,855) (994,070) (1,695,753) (2,236,606)  
Depreciation and amortization 147,527 73,032 222,258 145,170  
Capital expenditures 183,451 187,881 351,463 373,534  
Assets $ 31,285,653 $ 47,014,305 $ 31,285,653 $ 47,014,305