Annual report pursuant to Section 13 and 15(d)

STOCK-BASED COMPENSATION - Options Outstanding and Exercisable (Details)

v3.8.0.1
STOCK-BASED COMPENSATION - Options Outstanding and Exercisable (Details) - $ / shares
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Awards Outstanding    
Quantity (shares) 2,152,402 2,165,000
Remaining Contractual Life (Years) 1 year 7 months 6 days  
Exercise Price (usd per share) $ 1.49  
Awards Exercisable    
Quantity (shares) 1,327,266 1,003,000
Remaining Contractual Life (Years) 1 year 4 months 6 days  
Exercise Price (usd per share) $ 1.85  
$0 - $1.09    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Grant Price Low (usd per share) 0.00  
Grant Price High (usd per share) $ 1.09  
Awards Outstanding    
Quantity (shares) 510,402  
Remaining Contractual Life (Years) 2 years 3 months 4 days  
Exercise Price (usd per share) $ 0.55  
Awards Exercisable    
Quantity (shares) 80,666  
Remaining Contractual Life (Years) 2 years 4 months 24 days  
Exercise Price (usd per share) $ 1.01  
$1.10 - $1.27    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Grant Price Low (usd per share) 1.10  
Grant Price High (usd per share) $ 1.27  
Awards Outstanding    
Quantity (shares) 525,000  
Remaining Contractual Life (Years) 1 year 10 months 2 days  
Exercise Price (usd per share) $ 1.17  
Awards Exercisable    
Quantity (shares) 262,500  
Remaining Contractual Life (Years) 1 year 10 months 2 days  
Exercise Price (usd per share) $ 1.17  
$1.28 - $1.56    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Grant Price Low (usd per share) 1.28  
Grant Price High (usd per share) $ 1.56  
Awards Outstanding    
Quantity (shares) 546,000  
Remaining Contractual Life (Years) 1 year 4 months 6 days  
Exercise Price (usd per share) $ 1.37  
Awards Exercisable    
Quantity (shares) 439,500  
Remaining Contractual Life (Years) 1 year 4 months 10 days  
Exercise Price (usd per share) $ 1.37  
$1.57 - $2.8    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Grant Price Low (usd per share) 1.57  
Grant Price High (usd per share) $ 2.8  
Awards Outstanding    
Quantity (shares) 305,000  
Remaining Contractual Life (Years) 2 months 5 days  
Exercise Price (usd per share) $ 1.75  
Awards Exercisable    
Quantity (shares) 305,000  
Remaining Contractual Life (Years) 2 months 5 days  
Exercise Price (usd per share) $ 1.75  
$2.81 - $4.03    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Grant Price Low (usd per share) 2.81  
Grant Price High (usd per share) $ 4.03  
Awards Outstanding    
Quantity (shares) 266,000  
Remaining Contractual Life (Years) 1 year 11 months 19 days  
Exercise Price (usd per share) $ 3.89  
Awards Exercisable    
Quantity (shares) 239,600  
Remaining Contractual Life (Years) 1 year 11 months 5 days  
Exercise Price (usd per share) $ 3.88  
$1.01    
Awards Outstanding    
Quantity (shares)   303,500
Remaining Contractual Life (Years)   3 years 4 months 24 days
Exercise Price (usd per share)   $ 1.01
Awards Exercisable    
Quantity (shares)   0
Exercise Price (usd per share)   $ 1.01
$1.17    
Awards Outstanding    
Quantity (shares)   525,000
Remaining Contractual Life (Years)   2 years 10 months 2 days
Exercise Price (usd per share)   $ 1.17
Awards Exercisable    
Quantity (shares)   0
Exercise Price (usd per share)   $ 1.17
$1.37    
Awards Outstanding    
Quantity (shares)   644,000
Remaining Contractual Life (Years)   2 years 4 months 2 days
Exercise Price (usd per share)   $ 1.37
Awards Exercisable    
Quantity (shares)   419,000
Exercise Price (usd per share)   $ 1.37
$1.75    
Awards Outstanding    
Quantity (shares)   320,000
Remaining Contractual Life (Years)   1 year 2 months 5 days
Exercise Price (usd per share)   $ 1.75
Awards Exercisable    
Quantity (shares)   255,000
Exercise Price (usd per share)   $ 1.75
$3.85    
Awards Outstanding    
Quantity (shares)   200,000
Remaining Contractual Life (Years)   2 years 10 months 6 days
Exercise Price (usd per share)   $ 3.85
Awards Exercisable    
Quantity (shares)   200,000
Exercise Price (usd per share)   $ 3.85
$3.95    
Awards Outstanding    
Quantity (shares)   100,000
Remaining Contractual Life (Years)   3 years 1 month 6 days
Exercise Price (usd per share)   $ 3.95
Awards Exercisable    
Quantity (shares)   100,000
Exercise Price (usd per share)   $ 3.95
$4.03    
Awards Outstanding    
Quantity (shares)   72,500
Remaining Contractual Life (Years)   3 years 3 months 18 days
Exercise Price (usd per share)   $ 4.03
Awards Exercisable    
Quantity (shares)   29,000
Exercise Price (usd per share)   $ 4.03