Annual report pursuant to Section 13 and 15(d)

Income Taxes - Summary of Significant Components of Net Deferred Income Tax Assets and Liabilities (Details)

v3.20.1
Income Taxes - Summary of Significant Components of Net Deferred Income Tax Assets and Liabilities (Details) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Current deferred income tax assets:    
Inventory - uniform capitalization   $ 23,000
Accrued compensation and other $ 9,000 63,000
Less: valuation allowance (9,000) (86,000)
Current deferred income tax assets 0 0
Non-current deferred income tax assets and (liabilities):    
Net operating loss 11,382,000 10,435,000
Research and development credit 18,000 18,000
Warranty reserve   81,000
Warrants issued for services 45,000 45,000
Depreciation and amortization 76,000 73,000
Exercise of options and warrants (33,000) (33,000)
Stock based compensation 775,000 759,000
Intangibles and other (425,000) (422,000)
Less: valuation allowance (11,838,000) (10,956,000)
Net non-current deferred tax assets $ 0 $ 0