Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)

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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
Jun. 30, 2016
Dec. 31, 2015
Statement of Financial Position [Abstract]    
Accounts receivable - allowance for doubtful accounts $ 0 $ 200,000
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized (shares) 47,500,000 47,500,000
Common stock, issued (shares) 31,220,326 31,220,326
Common stock, outstanding (shares) 31,220,326 31,220,326