Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED BALANCE SHEETS (Parenthetical)

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CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Mar. 31, 2016
Dec. 31, 2015
Statement of Financial Position [Abstract]    
Common stock, par value per share (in dollars per share) $ 0.0001 $ 0.0001
Common stock, shares authorized (in shares) 75,000,000 75,000,000
Common stock, shares issued (in shares) 24,989,560 24,972,515
Common stock, shares outstanding (in shares) 24,989,560 24,972,515
Preferred stock, par value per share (in dollars per share) $ 0.0001 $ 0.0001
Preferred stock, shares authorized (in shares) 10,000,000 10,000,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0