Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Operating Activities
Net loss	$ (4,340,411)	$ (2,448,864)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation of equipment and improvements	991,045	895,264
Amortization of identifiable intangible assets	1,568,582	1,689,750
Amortization of deferred financing costs	77,781	110,458
Non-cash portion of loss on debt extinguishment	112,336	114,072
Provision for bad debts	20,774	1,941
Allowance for sales adjustments	(37,023)	41,503
Provision for inventory obsolescence	1,089,608	279,861
Loss on disposal of equipment	32,863	6,658
Deferred rent expense	44,608	108,752
Compensation charge for employee stock options	1,299,675	617,737
Compensation charge for restricted stock	334,772	68,267
Interest charge for stock warrants		2,970
Deferred income taxes	83,108	155,889
Changes in operating assets and liabilities:
Accounts receivable	(813,622)	(2,112,243)
Inventories	(292,004)	(1,122,105)
Prepaid expenses and other current assets	(402,077)	(144,937)
Other assets	(641)	310,945
Accounts payable	237,095	368,548
Accrued expenses and other current liabilities	243,073	764,327
Net cash provided by (used in) operating activities	249,542	(291,207)
Investing Activities
Purchase of equipment and improvements	(978,949)	(634,939)
Purchase of license rights	(1,000,000)	(2,250,000)
Purchase of investments	(5,474,000)
Net cash used in investing activities	(7,452,949)	(2,884,939)
Financing Activities
Change in restricted cash		2,032,164
Net change in borrowings under line of credit	(3,075,555)	769,249
Long-term debt repayments	(5,851)	(4,059,185)
Proceeds from issuance of common stock, net of costs	26,975,194	4,490,730
Net cash provided by financing activities	23,893,788	3,232,958
Effect of exchange rate changes on cash	15,754	103,880
Net increase in cash and cash equivalents	16,706,134	160,692
Cash and cash equivalents
Beginning of year	404,216	243,524
End of year	17,110,350	404,216
Supplemental disclosures of cash flow information:
Purchase of license rights		4,667,126
Issuance of common stock and warrants		(2,417,126)
Cash paid		2,250,000
Issuance of warrants and stock options for payment of offering costs	490,980	121,634
Cash paid during the year for:
Interest	244,682	472,031
Taxes	$ 319,278	$ 77,712