BALANCE SHEETS - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 29,162,913	$ 17,566,682
Accounts receivable, net of allowance for doubtful accounts of $352,217 and $205,822	34,859,505	21,131,841
Receivable from Technology Investment Agreement (TIA)	5,924,136	11,779,078
Investments in debt and equity securities, at fair value	13,268,986	8,081,833
Inventories	20,589,919	10,234,646
Other current assets	701,969	684,317
Total current assets	104,507,428	69,478,397
Property, plant, and equipment, net	87,925,651	30,816,504
Deferred tax asset	13,865,834	4,631,206
Other assets	5,675	44,567
Total assets	206,304,588	104,970,674
Current liabilities:
Accounts payable	20,404,573	16,256,444
Current portion of long-term debt	289,114	1,030,763
Accrued compensation	1,056,656	826,762
Dividends payable	1,438,371	49,091
Accrued royalties to shareholder	3,450,684	1,973,781
Other accrued liabilities	3,725,527	3,398,904
Income taxes payable	4,959,878	4,365,770
Total current liabilities	35,324,803	27,901,515
Other long-term liabilities	69,996,330	24,478,697
Long-term debt, net of current maturities	1,814,194	2,710,337
Total liabilities	107,135,327	55,090,549
Commitments and contingencies - see Note 10
Preferred stock, $1 par value:
Common Stock, no par value; authorized: 100,000,000 shares; issued: 34,013,104 and 33,957,204 at December 31, 2021 and 2020, respectively	0	0
Additional paid-in capital	63,024,888	59,285,401
Retained earnings (accumulated deficit)	41,182,429	(9,668,221)
Common stock in treasury - at cost: (528,169) and 0 at December 31, 2021 and 2020, respectively	(5,270,501)
Total stockholders' equity	99,169,261	49,880,125
Total liabilities and stockholders' equity	206,304,588	104,970,674
Series II, Class B
Preferred stock, $1 par value:
Preferred stock	156,200	156,200
Series III, Class B
Preferred stock, $1 par value:
Preferred stock	$ 76,245	$ 106,745