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Income Taxes (Schedule of Deferred Tax Assets and Liabilities, Net) (Details) - USD ($)
Dec. 31, 2022
Dec. 31, 2021
Deferred Tax Assets    
Net operating loss and tax credits $ 16,164,754 $ 16,817,070
Property and equipment and intangibles 264,653 222,893
Operating lease liabilities 1,121,800 0
Intangible assets 866,942 0
Capitalized research cost 1,481,455 0
Allowance for accounts receivable 145,803 83,931
Reserve for expired product 654,148 457,723
Inventory 217,025 104,824
Deferred charges 1,156,150 1,303,664
Cumulative compensation costs incurred on deductible equity awards 635,989 834,070
Total deferred tax assets 22,708,719 19,824,175
Deferred Tax Liabilities    
Operating lease right-of-use assets (1,150,935) 0
Intangible assets 0 (62,253)
Net deferred tax assets, before valuation allowance 21,557,784 19,761,922
Less: deferred tax asset valuation allowance (21,557,784) (19,761,922)
Net deferred tax assets $ 0 $ 0