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7. TREASURY STOCK (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 23, 2019
Mar. 26, 2018
Stock purchased, value   $ 222 $ 22    
Treasury stock shares   2,620,830 2,027,217    
Subsequent Event [Member]          
Stock purchased, value $ 524        
Stock repurchases, shares 744,000        
2018 Repurchase Program [Member]          
Stock repurchase program, amount authorized         $ 1,000
Stock purchased, value   $ 218 $ 22    
Stock repurchases, shares   588,000 25,000    
2019 Repurchase Program [Member]          
Stock repurchase program, shares       500,000  
Stock purchased, value   $ 4      
Stock repurchases, shares   6,000