XML 74 R57.htm IDEA: XBRL DOCUMENT v3.10.0.1
Note 6 - Fair Value Measurement - Summary of the Fair Values of the Company's Derivative Instrument Liabilities (Details) - Fair Value, Measurements, Recurring [Member] - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Derivative instrument liability $ (1,276)
Total Liabilities (1,276)
Fair Value, Inputs, Level 1 [Member]    
Derivative instrument liability  
Total Liabilities  
Fair Value, Inputs, Level 2 [Member]    
Derivative instrument liability (1,276)  
Total Liabilities (1,276)  
Fair Value, Inputs, Level 3 [Member]    
Derivative instrument liability  
Total Liabilities