Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Unaudited) (Parenthetical)

v3.8.0.1
Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($)
shares in Thousands, $ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Accounts receivable, net of allowance $ 18 $ 331
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares authorized 10,000 10,000
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 300,000 300,000
Common stock, shares issued 43,971 39,772
Common stock, shares outstanding 43,971 39,772
Series A Preferred Stock [Member]    
Preferred stock, shares authorized 1,684 1,684
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Series B Preferred Stock [Member]    
Preferred stock, shares authorized 1,581 1,581
Preferred stock, shares issued 927 927
Preferred stock, shares outstanding 927 927
Liquidation preference $ 18,075  
Nonvoting Common Stock [Member]    
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 3,553 3,553
Common stock, shares issued 1 3,540
Common stock, shares outstanding 1 3,540