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LEASE LIABILITIES AND RIGHT OF USE ASSETS - Operating lease liabilities (Details) - USD ($)
3 Months Ended 12 Months Ended 39 Months Ended
Jan. 01, 2019
Mar. 31, 2020
Dec. 31, 2019
Mar. 31, 2020
Operating Lease, Expense $ 1,500 $ 64,000   $ 300
Total operating lease liabilities $ 568,000 814,000 $ 864,000 814,000
Less current portion   (214,000) (209,000) (214,000)
Long term portion   600,000 655,000 $ 600,000
Tucson Arizona office lease [Member]        
Operating Lease, Expense   371,000 402,000  
Marietta Georgia Office Lease [Member]        
Operating Lease, Expense   $ 443,000 $ 462,000