Statements of Income (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Contract revenues	$ 4,825,068	$ 5,347,564
Cost of sales	2,690,510	3,213,476
Gross margin	2,134,558	2,134,088
Expenses:
Engineering	747,084	757,307
General and administrative	1,133,788	1,134,667
Total expenses	1,880,872	1,891,974
Income from operations	253,686	242,114
Interest	98	830
Net income before income taxes	253,784	242,944
Income tax expense	26,675	73,325
Net income and comprehensive income	$ 227,109	$ 169,619
Basic income per common share (in Dollars per share)	$ 0.01	$ 0.01
Basic weighted average number of shares outstanding (in Shares)	31,872,617	31,766,753
Diluted income per common share (in Dollars per share)	$ 0.01	$ 0.00
Diluted weighted average number of shares outstanding (in Shares)	35,434,916	35,329,052