Quarterly report pursuant to Section 13 or 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details)

v3.20.2
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2020
USD ($)
financial_institution
Sep. 30, 2019
USD ($)
Sep. 30, 2020
USD ($)
financial_institution
Sep. 30, 2019
USD ($)
Dec. 31, 2019
USD ($)
Restricted Cash          
Restricted cash $ 105,000   $ 105,000   $ 150,000
Allowance for doubtful accounts 0 $ 0 0 $ 0  
Income Taxes          
Income tax penalties and interest accrued 0   0   $ 0
Income tax penalties and interest expense 0 $ 0 $ 0 $ 0  
Minimum          
Debt Instrument [Line Items]          
Amortization of Royalty or Other Design Development Fee, Period     12 months    
Property and Equipment          
Useful life (in years)     3 years    
Income Taxes          
Completed design license term     2 years    
Maximum          
Debt Instrument [Line Items]          
Amortization of Royalty or Other Design Development Fee, Period     18 months    
Property and Equipment          
Useful life (in years)     5 years    
Income Taxes          
Sales-based royalties, period in which payment is due     30 days    
Letter of Credit          
Restricted Cash          
Letter of credit annual step down $ 50,000   $ 50,000    
United States          
Concentration Risks, Types, No Concentration Percentage          
Number of financial institutions where the company holds checking deposits | financial_institution 1   1    
Switzerland | Subsidiaries          
Concentration Risks, Types, No Concentration Percentage          
Number of financial institutions where the company holds checking deposits | financial_institution 1   1    
South Korea          
Concentration Risks, Types, No Concentration Percentage          
Number of financial institutions where the company holds checking deposits | financial_institution 1   1