Annual report pursuant to Section 13 and 15(d)

Note 11 - Stockholders' Equity - Additional Information (Detail)

v3.6.0.2
Note 11 - Stockholders' Equity - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 12 Months Ended
Nov. 30, 2016
Jul. 31, 2014
Dec. 31, 2016
Nov. 07, 2016
Dec. 31, 2015
Mar. 02, 2015
Treasury Stock, shares     875,621   875,621  
Treasury share used to secure promissory note         860,900  
Contractual term of warrants   5 years        
Expected term (in years)     6 years 6 months      
Warrant [Member]            
Expected term (in years)   5 years        
Fair value of warrants, assumption, risk free interest rate   1.70%        
Fair value of warrants, assumption, dividend yield   0.00%        
Fair value of warrants, assumption, expected volatility   55.00%        
Warrants vested   100,000        
I N I [Member]            
Capstone settlement warrants     1,289,378      
Capstone settlement warrants exercise price       $ 1.83   $ 0.01
Capstone settlement warrants fair value       $ 1,800    
Expected term (in years) 4 years          
Fair value of warrants, assumption, risk free interest rate 1.27%          
Fair value of warrants, assumption, dividend yield 0.00%          
Fair value of warrants, assumption, expected volatility 118.40%