Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Summary of Fair Values of Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis (Details)

v3.10.0.1
Fair Value Measurements - Summary of Fair Values of Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Cash and restricted cash $ 4,713 $ 777
Total assets 4,713 777
Warrants potentially settleable in cash 159 569
Total liabilities 159 569
Quoted Prices in Active Markets Level 1 [Member]    
Cash and restricted cash 4,713 777
Total assets 4,713 777
Warrants potentially settleable in cash
Total liabilities
Significant Other Observable Inputs Level 2 [Member]    
Cash and restricted cash
Total assets
Warrants potentially settleable in cash
Total liabilities
Unobservable Inputs Level 3 [Member]    
Cash and restricted cash
Total assets
Warrants potentially settleable in cash 159 569
Total liabilities $ 159 $ 569