Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements Narrative (Details)

v3.7.0.1
Fair Value Measurements Narrative (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Oct. 21, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Warrant shares         314,286
Warrant, exercise price         $ 2.80
Change in fair value of warrant liability $ 11,000   $ (67,000)    
Change in fair value of warrant liability $ 11,000 $ 0 (67,000) $ 0  
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3)          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Change in fair value of warrant liability     $ (67,000)