Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED BALANCE SHEETS (Parenthetical)

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CONSOLIDATED BALANCE SHEETS (Parenthetical)
$ in Thousands
Dec. 31, 2017
USD ($)
shares
Dec. 31, 2016
USD ($)
shares
CONSOLIDATED BALANCE SHEETS    
Allowance for doubtful accounts | $ $ 0 $ 0
Accounts payable, due to related parties | $ 326  
Accrued expenses and other accrued liabilities, due to related parties | $ $ 0 $ 39
Common stock, shares authorized | shares 701,103,126 574,711,900
Common stock, shares issued | shares 562,119,334 424,775,092
Common stock, shares outstanding | shares 562,119,334 424,775,092