Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurement (Details Textual)

v3.7.0.1
Fair Value Measurement (Details Textual) - USD ($)
3 Months Ended
Mar. 31, 2017
Dec. 31, 2016
Warrants Not Settleable in Cash, Fair Value Disclosure $ 311,000 $ 314,000
NSC Contingently Issuable Warrants [Member]    
Percentage Of Shares Received Under Purchase Agreement 25.00%  
Warrant Expiration Period 10 years