Quarterly report pursuant to Section 13 or 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Accounting Policies [Abstract]        
Stock options $ 1,339,000 $ 597,000 $ 2,631,000 $ 1,229,000
Warrants 367,000 227,000 1,654,000 453,000
Restricted stock units 85,000 3,000 236,000 6,000
Earn-Out compensation expense 8,000 0 8,000 0
Total noncash stock compensation expense $ 1,799,000 $ 827,000 $ 4,529,000 $ 1,688,000