XML 32 R22.htm IDEA: XBRL DOCUMENT v3.21.2
Summary of Significant Accounting Policies (Details 2) - USD ($)
Jun. 30, 2021
Dec. 31, 2020
Gross property and equipment $ 837,000 $ 4,238,000
Accumulated depreciation and amortization (756,000) (4,163,000)
Net property and equipment 81,000 75,000
Computer Equipment and Software    
Gross property and equipment 714,000 1,447,000
Office Furniture and Fixtures    
Gross property and equipment 88,000 425,000
Production Tooling, Machinery and Equipment    
Gross property and equipment 27,000 2,349,000
Construction in-Progress    
Gross property and equipment $ 8,000 $ 17,000