Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details 1)

v3.7.0.1
Summary of Significant Accounting Policies (Details 1) - Fair Value, Inputs, Level 3 [Member]
$ in Thousands
3 Months Ended
Mar. 31, 2017
USD ($)
Warrant Liability Current [Member]  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]  
Balance, beginning of period $ 0
Issuances of warrants 2,453
Change in fair value (964)
exercise of warrants (251)
Balance, end of period 1,238
Warrant Liability Long-Term [Member]  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]  
Balance, beginning of period 0
Issuances of warrants 1,690
Change in fair value (95)
Transfer in/out 251
Balance, end of period 1,846
Warrant Liabilty [Member]  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]  
Balance, beginning of period 0
Issuances of warrants 4,143
Change in fair value (1,059)
Transfer in/out 0
Balance, end of period $ 3,084