Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

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Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Statement of Financial Position [Abstract]    
Accumulated depreciation $ 4,601 $ 4,341
Preferred stock, shares authorized 1,000,000 1,000,000
Preferred stock, par value $ 0.0005 $ 0.0005
Preferred stock, shares issued
Common stock, par value $ 0.0005 $ 0.0005
Common stock, shares authorized 50,000,000 50,000,000
Common stock, shares issued 26,313,593 25,125,113
Treasury stock, shares 9,232,817 9,232,817