Annual report pursuant to Section 13 and 15(d)

Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details)

v3.21.1
Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]    
Net operating loss carryforwards $ 26,066,000 $ 20,650,000
Stock-based compensation 400,900 240,700
Accruals 127,700 129,400
Goodwill 728,500 728,500
Intangible assets 211,600 299,800
Inventory 56,400 178,900
Allowance for doubtful accounts 92,600 18,700
Capital loss 22,100 39,200
Tax credits 563,100 508,100
Deferred tax assets, gross 28,268,900 22,793,300
Alternative fuel credits (32,100)
Fixed assets (31,300) (43,200)
Deferred revenue (8,000)
Deferred tax liabilities, gross (39,300) (75,300)
Net deferred tax assets 28,229,600 22,718,000
Valuation allowance (28,229,600) (22,718,000)
Deferred tax assets, net of valuation allowance
Changes in valuation allowance $ 5,511,600 $ (5,800,000)