Annual report pursuant to Section 13 and 15(d)

STOCK OPTION PLANS (Details)

v3.7.0.1
STOCK OPTION PLANS (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
2015 Equity Incentive Plan [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares authorized but unissued common stock (in shares) 8,000,000  
Dividend yield 0.00% 0.00%
Volatility 109.00% 102.00%
Risk-free interest rate 1.10% 0.86%
Expected lives 5 years 5 years
Weighted average fair value of options granted (in dollars per share) $ 2.59 $ 6.90
Options [Roll Forward]    
Outstanding options, beginning balance (in shares) 1,994,000 0
Granted (in shares) 2,622,500 1,994,000
Exercised (in shares) (151,000)  
Expired/forfeited (in shares) (22,500)  
Outstanding options, ending balance (in shares) 4,443,000 1,994,000
Exercisable, ending balance (in shares) 1,327,687  
Weighted-average exercise price [Roll Forward]    
Outstanding options, beginning of period (in dollars per share) $ 6.90 $ 0
Granted (in dollars per share) 3.29 6.90
Exercised (in dollars per share) 2.32  
Expired/forfeited (in dollars per share) 3.23  
Outstanding options, ending balance (in dollars per share) 4.94 $ 6.90
Exercisable, end on period (in dollars per share) $ 6.60  
Intrinsic value of options outstanding $ 3,806 $ 0
Intrinsic value of options exercisable 417 0
Total intrinsic value of options exercised $ 450 $ 0
Information regarding options outstanding by range of exercise prices [Abstract]    
Number of options outstanding (in shares) 4,443,000  
Number of options exercisable (in shares) 1,327,687  
2015 Equity Incentive Plan [Member] | $2.31 - 4.45 [Member]    
Information regarding options outstanding by range of exercise prices [Abstract]    
Range of exercise prices, lower range limit (in dollars per share) $ 2.31  
Range of exercise prices, upper range limit (in dollars per share) $ 4.45  
Number of options outstanding (in shares) 2,748,000  
Options outstanding, weighted average, remaining life in years 9 years 10 months 24 days  
Options outstanding, weighted average, exercise price (in dollars per share) $ 3.47  
Number of options exercisable (in shares) 227,271  
Options exercisable, weighted-average, remaining life in years 9 years 6 months  
Options exercisable, weighted-average, exercise price (in dollars per share) $ 3.01  
2015 Equity Incentive Plan [Member] | 7.34 [Member]    
Information regarding options outstanding by range of exercise prices [Abstract]    
Range of exercise prices, upper range limit (in dollars per share) $ 7.34  
Number of options outstanding (in shares) 1,695,000  
Options outstanding, weighted average, remaining life in years 9 years  
Options outstanding, weighted average, exercise price (in dollars per share) $ 7.34  
Number of options exercisable (in shares) 1,100,416  
Options exercisable, weighted-average, remaining life in years 9 years  
Options exercisable, weighted-average, exercise price (in dollars per share) $ 7.34  
2005 Equity Incentive Plan [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Dividend yield   0.00%
Volatility   102.00%
Risk-free interest rate   1.41%
Expected lives   4 years 7 months 6 days
Weighted average fair value of options granted (in dollars per share)   $ 4.52
Options [Roll Forward]    
Outstanding options, beginning balance (in shares) 330,084 210,084
Granted (in shares)   120,000
Expired/forfeited (in shares) (1,524)  
Outstanding options, ending balance (in shares) 328,560 330,084
Exercisable, ending balance (in shares) 328,560  
Weighted-average exercise price [Roll Forward]    
Outstanding options, beginning of period (in dollars per share) $ 13.49 $ 20.19
Granted (in dollars per share)   3.25
Expired/forfeited (in dollars per share) 36.93  
Outstanding options, ending balance (in dollars per share) 14.57 $ 13.49
Exercisable, end on period (in dollars per share) $ 14.57  
Intrinsic value of options outstanding   $ 192
Intrinsic value of options exercisable   $ 192
Information regarding options outstanding by range of exercise prices [Abstract]    
Number of options outstanding (in shares) 328,560  
Number of options exercisable (in shares) 328,560  
2005 Equity Incentive Plan [Member] | $3.25 [Member]    
Information regarding options outstanding by range of exercise prices [Abstract]    
Range of exercise prices, upper range limit (in dollars per share) $ 3.25  
Number of options outstanding (in shares) 120,000  
Options outstanding, weighted average, remaining life in years 4 years  
Options outstanding, weighted average, exercise price (in dollars per share) $ 3.25  
Number of options exercisable (in shares) 120,000  
Options exercisable, weighted-average, remaining life in years 4 years  
Options exercisable, weighted-average, exercise price (in dollars per share) $ 3.25  
2005 Equity Incentive Plan [Member] | $11.50 - 18.50 [Member]    
Information regarding options outstanding by range of exercise prices [Abstract]    
Range of exercise prices, lower range limit (in dollars per share) 11.50  
Range of exercise prices, upper range limit (in dollars per share) $ 18.50  
Number of options outstanding (in shares) 200,000  
Options outstanding, weighted average, remaining life in years 7 years 7 months 6 days  
Options outstanding, weighted average, exercise price (in dollars per share) $ 18.33  
Number of options exercisable (in shares) 200,000  
Options exercisable, weighted-average, remaining life in years 7 years 7 months 6 days  
Options exercisable, weighted-average, exercise price (in dollars per share) $ 18.33  
2005 Equity Incentive Plan [Member] | $30.50 - 150.00 [Member]    
Information regarding options outstanding by range of exercise prices [Abstract]    
Range of exercise prices, lower range limit (in dollars per share) 30.50  
Range of exercise prices, upper range limit (in dollars per share) $ 150.00  
Number of options outstanding (in shares) 8,560  
Options outstanding, weighted average, remaining life in years 4 years  
Options outstanding, weighted average, exercise price (in dollars per share) $ 85.41  
Number of options exercisable (in shares) 8,560  
Options exercisable, weighted-average, remaining life in years 4 years  
Options exercisable, weighted-average, exercise price (in dollars per share) $ 85.41