XML 54 R42.htm IDEA: XBRL DOCUMENT v3.19.2
Stockholders' Equity - Stock Options and a Summary of Activity (Details) - $ / shares
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Stockholders' Equity Note [Abstract]    
Fair value of options issued (in dollars per share) $ 0.00 $ 1.74
Exercise price (in dollars per share) $ 0.00 $ 2.46
Expected life of options (in years) 5 years 9 months 18 days
Risk-free interest rate 0.00% 2.30%
Expected volatility 0.00% 84.30%
Dividend yield 0.00% 0.00%
Number of Options    
Outstanding at beginning of period (in shares) 292,871  
Granted (in shares) 0  
Exercised (in shares) 0  
Canceled/forfeited (in shares) (119,896)  
Expired (in shares) 0  
Outstanding at end of period (in shares) 172,975  
Vested and expected to vest at period end (in shares) 172,462  
Exercisable at period end (in shares) 166,527  
Weighted Average Exercise Price Per Share    
Outstanding at beginning of period (in dollars per share) $ 3.78  
Granted (in dollars per share) 0.00  
Exercised (in dollars per share) 0.00  
Canceled/forfeited (in dollars per share) 2.23  
Expired (in dollars per share) 0.00  
Outstanding at end of period (in dollars per share) 4.86  
Vested and expected to vest at period end (in dollars per share) 4.86  
Exercisable at period end (in dollars per share) $ 4.92  
Weighted Average Remaining Contractual Life (in years)    
Outstanding at end of period 5 years 8 months  
Vested and expected to vest at period end 5 years 8 months  
Exercisable at period end 5 years 7 months 12 days