CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Cash received from customers and grants	$ 6,220,808	$ 6,034,981
Cash paid to suppliers and employees	(6,164,372)	(5,884,833)
Interest received	1,337	1,519
Interest paid	(335)	(2,441)
Net cash provided by operating activities	57,438	149,226
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of and deposits on fixed assets	(207,507)	(223,716)
Net cash used in investing activities	(207,507)	(223,716)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from option and warrant exercises	17,955	42,750
Expenses from sale of common stock	(87,517)	0
Payment of loan obligation	(133,483)	(14,392)
Payment of capital lease obligation	0	(10,546)
Net cash provided by (used in) financing activities	(203,045)	17,812
(DECREASE) IN CASH AND CASH EQUIVALENTS	(353,114)	(56,678)
Cash and cash equivalents - beginning of the period	2,951,859	3,010,954
Cash and cash equivalents - end of the period	2,598,745	2,954,276
RECONCILIATION OF NET INCOME TO NET CASH PROVIDED BY OPERATING ACTIVITIES:
Net Income	317,123	433,443
Adjustments:
Depreciation and amortization	140,759	129,947
Provision for deferred taxes	153,387	256,859
(Recovery of) Provision for doubtful accounts	(34,000)	95,000
Share based compensation	138,379	134,633
Changes in assets and liabilities:
Accounts receivable	(423,345)	(713,271)
Inventories	(113,418)	(406,390)
Prepaid expenses and other current assets	(7,185)	(73,189)
Accounts payable and accrued liabilities	(114,262)	292,194
Net cash provided by operating activities	57,438	149,226
Supplemental disclosures for non-cash investing and financing activities:
Deposits on manufacturing equipment transferred to fixed assets	$ 208,134	$ 23,400