Condensed Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities
Net income	$ 261,501	$ 122,249
Depreciation and amortization	3,509	3,122
Deferred tax expense	54,000	14,902
Share-based compensation expense	1,362	7,716
Changes in operating assets and liabilities:
Increase in receivables on government contracts	(31,667)	(157,707)
Increase in prepaid expenses and other current assets	(46,729)	(27,305)
Increase (decrease) in accrued payroll and payroll taxes	(73,303)	127,987
Decrease in accounts payable and accrued expenses	(171,485)	(33,153)
Increase in accrued warranty expense	6,600	9,054
Decrease in long-term liabilities	(3,145)	(2,281)
Net cash provided by operating activities	643	64,584
Cash flows from investing activities:
Purchase of property and equipment	(2,693)	(11,890)
Net cash used in investing activities:	$ (2,693)	(11,890)
Cash flows from financing activities:
Proceeds received upon the exercise of stock options		350
Net cash provided by financing activities		350
Net (decrease) increase in cash and cash equivalents	$ (2,050)	53,044
Cash and cash equivalents, beginning of period	1,161,634	1,028,146
Cash and cash equivalents, end of period	1,159,584	1,081,190
Supplemental cash flow information:
Cash paid during the period for income taxes	$ 143,900	$ 558