Common Stock (Details) (USD $)	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2012 Incremental Shares Issued [Member]	Sep. 30, 2012 Executive Officer [Member]	Sep. 30, 2011 Executive Officer [Member]	Sep. 30, 2012 Employee Stock [Member]
Common Stock [Line Items]
Common stock, shares issued			155,925	174,825	9,680
Common stock, value					$ 44,000
Options exercised	95,000	41,000
Realized value options exercised	136,000	103,000
Cash received for options exercised	$ 308,000
In the money shares exercise of options, net		15,822
Exercise price per share of in-the-money shares		$ 4.01
Market price per share price of in-the-money shares		$ 6.53