Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation (Details 1)

v3.7.0.1
Stock-Based Compensation (Details 1) - $ / shares
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Number of Shares      
Unvested at beginning of period, shares 361,000    
Granted, shares 168,000    
Forfeited, shares (206,000)    
Expired, shares (50,000)    
Vested, shares (66,000) (33,250) (216,250)
Unvested at end of period, shares 207,000 361,000  
Weighted Average Grant-Date Fair Value      
Unvested at beginning of period $ 1.69    
Granted 1.20    
Forfeited 1.77    
Expired 1.93    
Vested 1.65    
Unvested at end of period $ 1.17 $ 1.69