CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) (USD $)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:
Cash received from customers and grants	$ 6,034,981	$ 5,855,562
Cash paid to suppliers and employees	(5,884,833)	(4,292,294)
Interest received	1,519	1,310
Interest paid	(2,441)	(4,436)
Net cash provided by operating activities	149,226	1,560,142
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of and deposits on fixed assets	(223,716)	(46,358)
Net cash used in investing activities	(223,716)	(46,358)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from option and warrant exercises	42,750	41,521
Payment of license obligation	0	(888,692)
Payment of loan obligation	(14,392)
Payment of capital lease obligation	(10,546)	(5,861)
Net cash (used in) provided by financing activities	17,812	(853,032)
INCREASE IN CASH AND CASH EQUIVALENTS	(56,678)	660,752
Cash and cash equivalents - beginning of the period	3,010,954	2,136,351
Cash and cash equivalents - end of the period	2,954,276	2,797,103
RECONCILIATION OF NET INCOME TO NET CASH PROVIDED BY OPERATING ACTIVITIES:
Net Income	433,443	(142,297)
Adjustments:
Depreciation and amortization	129,947	112,282
Provision for deferred taxes	256,859	0
Provision for doubtful accounts	95,000	(15,000)
Share based compensation	134,633	27,578
Changes in assets and liabilities:
Accounts receivable	(713,271)	2,234,881
Inventories	(406,390)	(242,909)
Prepaid expenses and other current assets	(73,189)	29,010
Accounts payable and accrued liabilities	292,194	(443,403)
Deferred research and development revenue	0	0
Net cash provided by operating activities	149,226	1,560,142
Supplemental disclosures for non-cash investing and financing activities:
Deposits on manufacturing equipment transferred to fixed assets	$ 23,400	$ 0