Condensed Statements of Cash Flows (Unaudited) (USD $)	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Net (loss) income	$ 12,751	$ 17,405
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	8,560	6,292
Deferred tax benefit	(81,000)	(1,600)
Share-based compensation expense	27,458	19,812
Changes in assets and liabilities:
Decrease in certificate of deposit, securing line of credit		50,000
Decrease (increase) in receivables on government contracts	694,048	(61,869)
Increase in prepaid expenses and other current assets	(54,216)	(16,141)
Decrease in accrued payroll and payroll taxes	(238,365)	(32,685)
(Decrease) increase in accounts payable and accrued expenses	(424,919)	195,052
(Decrease) increase in accrued warranty expense	(34,062)	33,750
(Decrease) increase in long-term liabilities	(831)	13,983
Net cash (used in) provided by operating activities	(90,576)	223,999
Purchase of property and equipment	(1,102)	(2,428)
Net cash used in investing activities:	(1,102)	(2,428)
Net increase (decrease) in cash and cash equivalents	(91,678)	221,571
Cash and cash equivalents, beginning of period	963,556	638,106
Cash and cash equivalents, end of period	871,878	859,677
Cash paid during the period for income taxes	$ 31,000	$ 20,635