Consolidated Statements Of Cash Flows (USD $)	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities:
Net income (loss)	$ 516,066	$ (1,431,383)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Compensation expense related to fair value of stock-based awards	101,110	291,756
Stock contributed to 401(k) Plan	36,509	30,022
Depreciation and amortization	317,193	405,048
Other non-cash interest expense	13,215	25,242
Change in fair value of derivative instruments		(32,451)
Change in deferred revenue	(132,155)	(84,528)
Change in deferred rent	(42,893)	7,620
Gain on sale of property and equipment	(100,000)
Changes in operating assets and liabilities:
Accounts receivable, net	(5,833)	308,946
Inventories	(266,553)	(115,493)
Other current assets	5,966	(20,135)
Accounts payable	(35,852)	48,035
Accrued payroll	(3,169)	9,119
Other accrued liabilities	266,677	(28,987)
Net cash provided by (used in) operating activities	670,281	(587,189)
Cash flows from investing activities:
Payments for purchase of property and equipment	(13,955)	(3,737)
Cash received from disposal of property and equipment	100,000
Other assets	(133,689)	(116,240)
Net cash used in investing activities	(47,644)	(119,977)
Cash flows from financing activities:
Proceeds from short-term debt	225,000
Debt issuance costs	(7,500)
Principal payments made on short and long-term debt		(150,000)
Payments made on capital lease obligations	(6,450)	(4,633)
Net cash provided by (used in) financing activities	211,050	(154,633)
Increase (decrease) in cash	833,687	(861,799)
Cash:
Beginning of period	180,154	1,146,318
End of period	1,013,841	284,519
Supplemental disclosure of cash flow information:
Cash paid for interest	5,581	2,937
Supplemental non-cash information:
Preferred stock dividend to be settled in Series F or Series G preferred stock	78,104	73,437
Issuance of warrants in connection with convertible debt financing	18,930
Equipment purchased with capital lease	$ 10,043