Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)

v3.8.0.1
CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)
$ in Thousands
Sep. 30, 2017
£ / shares
Sep. 30, 2017
USD ($)
shares
Dec. 31, 2016
£ / shares
Dec. 31, 2016
USD ($)
shares
CONDENSED CONSOLIDATED BALANCE SHEETS        
Allowance for doubtful accounts | $   $ 0   $ 0
Accounts payable, due to related parties | $   0   326
Accrued expenses and other accrued liabilities, due to related parties | $   $ 1   $ 39
Common stock, par value | £ / shares £ 0.001   £ 0.001  
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