Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.7.0.1
Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Statement of Financial Position [Abstract]    
Accumulated depreciation $ 5,274 $ 5,134
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 26,454,593 26,313,593
Treasury stock, shares 10,294,797 9,232,817