Condensed Consolidated Statements of Cash Flows (USD $)	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash flows (used in)/provided by operating activities
Net loss	$ (797,477)	$ (1,039,022)
Adjustments to reconcile net loss to net cash (used in)/provided by operating activities
Depreciation and amortization	814,498	1,042,700
Share-based compensation	1,411,672	1,737,220
Warrant expense	52,889	41,752
Change in assets and liabilities:
Accounts receivable	(1,771,022)	(239,167)
Inventory	(243,565)	(463,666)
Other current assets	107,826	(174,249)
Other assets	56,375	56,375
Accounts payable and accrued expenses	(36,216)	(223,648)
Deferred credits	(359,250)	(174,040)
Net cash (used in)/provided by operating activities	(764,270)	564,255
Cash flows used in investing activities
Acquisition of property and equipment	(242,396)	(289,777)
Intangible property costs	(131,727)	(272,741)
Net cash used in investing activities	(374,123)	(562,518)
Cash flows used in financing activities
Payments on capital lease obligations	(37,924)	(30,115)
Proceeds from debt obligations		6,000,000
Payment of debt obligations	(1,125,000)	(6,617,393)
Proceeds from the exercise of options and warrants	84,501	262,641
Net cash used in financing activities	(1,078,423)	(384,867)
Net change in cash	(2,216,816)	(383,130)
Cash and cash equivalents-beginning of period	8,939,127	7,216,580
Cash and cash equivalents-end of period	6,722,311	6,833,450
Supplemental disclosure of cash flow information
Cash paid for interest	217,812	184,229
Dividend on preferred stock, 59,469 shares of common stock issuable at September 30, 2012 and 2011	94,974	94,952
Property and equipment financed by capital leases		274,145
Cash paid for income taxes	$ 15,618	$ 10,307