1. Summary of Significant Accounting Policies (Details 1) (USD $)	9 Months Ended
	Sep. 30, 2012
Number of Shares
Options outstanding at the beginning of period, shares	8,431
Granted, shares	1,173
Exercised, shares	(356)
Forfeited, shares	(487)
Options outstanding at the end of period, shares	8,761
Options exercisable at the end of period, shares	5,773
Weighted Average Exercise Price
Options outstanding at the beginning of period, Weighted Average Exercise Price	$ 1.53
Granted, Weighted Average Exercise Price	$ 1.44
Exercised, Weighted Average Exercise Price	$ 1.4
Forfeited, Weighted Average Exercise Price	$ 1.41
Options outstanding at the end of period, Weighted Average Exercise Price	$ 1.53
Options exercisable at the end of period, Weighted Average Exercise Price	$ 1.69
Weighted Average Remaining Contractual Term
Options outstanding at the end of period, Weighted Average Remaining Contractual Term	6 years 2 months 13 days
Options exercisable at the end of period, Weighted Average Remaining Contractual Term	4 years 11 months 19 days