Annual report pursuant to Section 13 and 15(d)

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

v3.8.0.1
Income Taxes - Summary of Significant Components of Net Deferred Income Tax Assets and Liabilities (Details) - USD ($)
Dec. 31, 2017
Dec. 31, 2016
Current deferred income tax assets:    
Inventory - uniform capitalization $ 11,000 $ 104,000
Accrued compensation and other 93,000 136,000
Less: valuation allowance (104,000) (240,000)
Current deferred income tax assets 0 0
Non-current deferred income tax assets and (liabilities):    
Net operating loss 8,995,000 11,319,000
Research and development credit 18,000 18,000
Warranty reserve 89,000 114,000
Warrants issued for services 45,000 73,000
Depreciation and amortization 47,000 17,000
Exercise of options and warrants (33,000) (50,000)
Stock based compensation 680,000 830,000
Intangibles and other (466,000) (666,000)
Less: valuation allowance (9,375,000) (11,655,000)
Net non-current deferred tax assets $ 0 $ 0