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CONDENSED BALANCE SHEETS - USD ($)
Sep. 30, 2020
Dec. 31, 2019
Current assets:    
Cash and cash equivalents $ 15,716,798 $ 5,934,749
Accounts receivable, net 15,860,937 6,564,371
Investments in debt and equity securities, at fair value 6,703,449 7,771,660
Inventories, net 7,752,543 7,450,592
Income taxes receivable 100,785 50,392
Other current assets 653,254 635,201
Total current assets 46,787,766 28,406,965
Property, plant, and equipment, net 19,485,242 10,632,057
Income taxes receivable 0 50,393
Deferred taxes 804,357 0
Other assets 78,190 88,315
Total assets 67,155,555 39,177,730
Current liabilities:    
Accounts payable 7,279,907 5,007,604
Current portion of long-term debt 1,101,864 260,939
Accrued compensation 974,438 607,339
Dividends payable 52,242 54,800
Accrued royalties to shareholder 1,681,885 921,445
Other accrued liabilities 3,032,030 1,387,149
Income taxes payable 671,149 17,944
Total current liabilities 14,793,515 8,257,220
Other long-term liabilities 10,533,161 0
Long-term debt, net of current maturities 2,705,865 2,378,055
Total liabilities 28,032,541 10,635,275
Commitments and contingencies - see Note 8
Preferred stock, $1 par value:    
Common stock, no par value
Additional paid-in capital 59,851,666 61,660,744
Accumulated deficit (21,176,597) (33,891,234)
Total stockholders' equity 39,123,014 28,542,455
Total liabilities and stockholders' equity 67,155,555 39,177,730
Series I, Class B    
Preferred stock, $1 par value:    
Preferred stock 96,000 96,000
Series II, Class B    
Preferred stock, $1 par value:    
Preferred stock 156,200 171,200
Series III, Class B    
Preferred stock, $1 par value:    
Preferred stock 126,745 129,245
Series IV Preferred Stock    
Preferred stock, $1 par value:    
Preferred stock 35,000 342,500
Series V Preferred Stock    
Preferred stock, $1 par value:    
Preferred stock $ 34,000 $ 34,000