Quarterly report pursuant to Section 13 or 15(d)

Note 10 - Stock-Based Compensation - Schedule of Restricted Stock Units Activity (Detail)

v3.7.0.1
Note 10 - Stock-Based Compensation - Schedule of Restricted Stock Units Activity (Detail)
3 Months Ended
Mar. 31, 2017
$ / shares
shares
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Number of Shares, Unvested Beginning Balance | shares 378,425
Number of Shares, Granted | shares 350,000
Number of Shares, Vested | shares (58,255)
Number of Shares, Unvested Ending Balance | shares 670,170
Weighted-Average Grant Date Fair Value, Unvested Beginning Balance | $ / shares $ 3.45
Weighted-Average Grant Date Fair Value, Granted | $ / shares 1.96
Weighted-Average Grant Date Fair Value, Vested | $ / shares 2.99
Weighted-Average Grant Date Fair Value, Unvested Ending Balance | $ / shares $ 2.71