Condensed Consolidated Balance Sheets (Unaudited) - USD ($)	Jun. 30, 2015	Dec. 31, 2014
Current assets:
Cash	$ 280,697	$ 200,349
Accounts receivable - net	1,766,038	1,687,954
Inventories	382,163	381,400
Prepaid expenses	659,602	467,721
Deferred tax asset - current portion	1,675,000	1,675,000
Total current assets	4,763,500	4,412,424
Property and equipment:
Equipment	1,391,137	1,383,380
Leasehold improvements	88,718	88,718
Total	1,479,855	1,472,098
Less accumulated depreciation and amortization	1,077,843	1,041,951
Net property and equipment	402,012	430,147
Deferred tax asset (net of current portion)	7,555,851	7,899,497
Other assets including long-term portion of receivables-net	5,292,586	5,015,931
Total assets	18,013,949	17,757,999
Current liabilities:
Current portion of long-term note payable to bank	1,449,583	1,469,028
Accounts payable and accrued expenses	824,923	676,386
Total current liabilities	2,274,506	2,145,414
Long-term obligations:
Note payable to bank - net of current portion	1,121,944	1,846,736
Total long-term liabilities	1,121,944	1,846,736
Stockholders' equity:
Common stock - no par value (25,000,000 shares authorized, 20,095,087 issued and outstanding as of December 31, 2014 and 20,702,660 issued and outstanding as of June 30, 2015)	24,272,316	23,970,654
Accumulated deficit	(9,654,817)	(10,204,805)
Total stockholders' equity	14,617,499	13,765,849
Total liabilities and stockholders' equity	$ 18,013,949	$ 17,757,999