Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details)

v3.20.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details)
12 Months Ended
Dec. 31, 2019
USD ($)
financial_institution
Dec. 31, 2018
USD ($)
Jan. 01, 2019
USD ($)
Accounting Policies [Abstract]      
Number of financial institutions | financial_institution 1    
Restricted cash balance $ 50,000 $ 50,000  
Income Taxes      
Accounts receivable, allowance for credit loss 0 0  
Unrecognized tax benefits 0 0  
Income tax penalties and interest expense 0 $ 0  
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Operating lease liability 2,671,000    
Operating lease right-of-use assets $ 2,496,000    
Minimum      
Property, Plant and Equipment [Line Items]      
Useful lives 3 years    
Upfront non-refundable design development payments, amortization period 12 months    
Maximum      
Property, Plant and Equipment [Line Items]      
Useful lives 5 years    
Upfront non-refundable design development payments, amortization period 18 months    
Accounting Standards Update 2016-02      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Operating lease liability     $ 3,000,000
Operating lease right-of-use assets     $ 3,000,000