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NOTE 8 - STOCKHOLDERS' EQUITY (Details)
1 Months Ended 12 Months Ended
Jun. 30, 2018
USD ($)
$ / shares
shares
Apr. 30, 2018
USD ($)
Jun. 30, 2017
USD ($)
$ / shares
shares
Feb. 28, 2017
USD ($)
Dec. 31, 2018
USD ($)
shares
Dec. 31, 2017
USD ($)
shares
NOTE 8 - STOCKHOLDERS' EQUITY (Details) [Line Items]            
Offering Amount, Maximum | $       $ 75,000,000    
Stock Issued During Period, Shares, New Issues (in Shares) | shares 2,375,000   2,185,000      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in Shares) | shares     285,000   30,000 80,000
Sale of Stock, Price Per Share (in Dollars per share) | $ / shares $ 17.50   $ 13.50      
Proceeds from Issuance or Sale of Equity | $ $ 38,900   $ 27,800,000      
Aggregate Value of Common Stock and Other Securities Registered for Sale | $   $ 175,000     $ 133,438  
Value of Unsold Securities on Current Effective Registration Statements | $   $ 60,000        
Stock Repurchase Program, Number of Shares Authorized to be Repurchased (in Shares) | shares           450,000
Stock Repurchased During Period, Shares (in Shares) | shares           384,000
Payments for Repurchase of Common Stock | $           $ 5,000,000
Active Equity Plans         1  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares) | shares         108,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in Shares) | shares         803,000 575,000
Allocated Share-based Compensation Expense | $         $ 1,687,000 $ 593,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value | $         748,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value | $         $ 11,000  
The 2018 Plan [Member]            
NOTE 8 - STOCKHOLDERS' EQUITY (Details) [Line Items]            
Share-based Compensation Arrangement by Share-based Payment Award, Description         equal to the sum of (i) 750,000 shares, (ii) any shares subject to issued and outstanding awards under the 2009 Plan as of the effective date of the 2018 Plan that expire, are cancelled or otherwise terminate following the effective date of the 2018 Plan  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares) | shares         750,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in Shares) | shares         1,639,000  
The 2018 Plan [Member] | Minimum [Member]            
NOTE 8 - STOCKHOLDERS' EQUITY (Details) [Line Items]            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period         3 years  
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period         5 years  
The 2018 Plan [Member] | Maximum [Member]            
NOTE 8 - STOCKHOLDERS' EQUITY (Details) [Line Items]            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period         4 years  
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period         10 years