Net Income (Loss) per Common Share (Tables)

6 Months Ended

Jun. 30, 2012

Net Income (Loss) per Common Share [Abstract]

Schedule of reconciliation of basic and diluted weighted average common shares outstanding

	Three months ended June 30,				Six months ended June 30,
	2012		2011		2012		2011
Weighted average common shares outstanding—basic		14,776,239		14,901,495		14,690,591		14,825,091
Dilutive common shares issuable in connection with stock plans		110,309		298,405		—		—
Weighted average common shares outstanding—diluted		14,886,548		15,199,900		14,690,591		14,825,091