Summary of stock option activity under 2011 Plan and 2007 Plan (Details)	Shares	Weighted Average Exercise Price	Weighted Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value
Outstanding at Sep. 30, 2013	897,000	3	6	0
Granted	32,500	2	10	0
Exercised	0	0	0	0
Forfeited	(28,500)	4	0	0
Expired	0	0	0	0
Options vested and exercisable at Dec. 31, 2013	543,666	3	5	19,200
Options expected to vest at Dec. 31, 2013	317,751	4	8	0
Outstanding at Dec. 31, 2013	901,000	3	6	19,200