Quarterly report pursuant to Section 13 or 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details)

v3.19.2
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2019
USD ($)
financial_institution
Jun. 30, 2018
USD ($)
Jun. 30, 2019
USD ($)
financial_institution
Jun. 30, 2018
USD ($)
Jan. 01, 2019
USD ($)
Dec. 31, 2018
USD ($)
Concentration Risks, Types, No Concentration Percentage            
Number of financial institutions where the Company holds checking deposits | financial_institution 1   1      
Restricted Cash            
Restricted cash $ 211,000 $ 211,000 $ 211,000 $ 211,000   $ 211,000
Allowance for doubtful accounts 0   0     0
Income Taxes            
Income tax penalties and interest accrued 0   0     $ 0
Income tax penalties and interest expense 0 $ 0 0 $ 0    
Recent Accounting Pronouncements            
Operating lease right-of-use assets 2,786,000   2,786,000      
Operating lease, liability $ 2,954,000   $ 2,954,000      
Minimum            
Property and Equipment            
Useful life (in years)     3 years      
Maximum            
Property and Equipment            
Useful life (in years)     5 years      
Accounting Standards Update 2016-02            
Recent Accounting Pronouncements            
Operating lease right-of-use assets         $ 3,000,000  
Operating lease, liability         $ 3,000,000