Annual report pursuant to Section 13 and 15(d)

Income Taxes (Components Of Deferred Tax assets And liabilities) (Detail)

v3.19.1
Income Taxes (Components Of Deferred Tax assets And liabilities) (Detail) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Deferred Tax Assets:      
Net Operating Loss Carry-forwards $ 20,920,285 $ 16,167,791 $ 19,752,311
Tax Credit Carry-forwards 3,035,384 2,404,490 2,398,817
Inventory Valuation Adjustment 104,450 675,830 622,168
Officer's Compensation 0 86,670 271,095
Stock-based Compensation 175,753 0 0
Loss from Foreign Operations 0 0 197,907
Other 207,327 108,734 44,372
Total Deferred Tax Assets 24,443,199 19,443,515 23,286,670
Deferred Tax Liabilities:      
Income from Foreign Operations 59,123 17,838 0
Other 22,069 11,789 76,815
Total Deferred Tax Liabilities 81,192 29,627 76,815
Net Deferred Tax Assets Before Valuation Allowance 24,362,007 19,413,888 23,209,855
Valuation Allowance (24,362,007) (19,413,888) (23,209,855)
Net Deferred Tax Assets $ 0 $ 0 $ 0