Consolidated Statements Of Stockholders' Equity (USD $) In Thousands, except Share data	Common Stock [Member]	Paid In Capital [Member]	Accumulated Deficit [Member]	Total
Beginning balance, value at Dec. 31, 2009	$ 60	$ 55,277	$ (28,494)	$ 26,843
Beginning balance, shares at Dec. 31, 2009	59,760,661
Net income (loss)			(1,745)	(1,745)
Option and compensation expense		111		111
Common stock issued for exercise of options, value	1	14		15
Common stock issued for exercise of options, shares	926,752			1,831,000
Ending balance, value at Dec. 31, 2010	61	55,402	(30,239)	25,224
Ending balance, shares at Dec. 31, 2010	60,687,413
Net income (loss)			4,680	4,680
Option and compensation expense		165		165
Common stock issued for exercise of options, value		28		28
Common stock issued for exercise of options, shares	50,000			50,000
Ending balance, value at Dec. 31, 2011	61	55,595	(25,559)	30,097
Ending balance, shares at Dec. 31, 2011	60,737,413
Net income (loss)			(67)	(67)
Option and compensation expense		52		52
Common stock issued for exercise of options, value		52		52
Common stock issued for exercise of options, shares	105,000			105,000
Ending balance, value at Dec. 31, 2012	$ 61	$ 55,699	$ (25,626)	$ 30,134
Ending balance, shares at Dec. 31, 2012	60,842,413