STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities
Net income	$ 5,078,557	$ 56,064,241	$ 24,223,013
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	4,602,961	1,257,417	832,069
Net unrealized gain on investments	(2,343,359)	(513,529)	(1,870,010)
Realized gain (loss) on investments	327,926		(162,595)
Accreted interest	60,115	109,019
Bond amortization	(159)
Deferred taxes	7,347,171	(9,234,628)	(4,631,206)
Provision for doubtful accounts	322,991	150,000	59,440
Share-based compensation	10,125,813	3,660,387
Other income - TIA	(3,832,747)
Gain on forgiveness of PPP loan		(1,377,652)
Loss on disposal of assets			33,140
(Increase) decrease in operating assets:
Accounts receivable	29,701,396	(13,877,663)	(14,626,910)
Inventories	(94,249)	(10,355,273)	(2,784,054)
Other current assets	(560,200)	(17,652)	(49,116)
Income taxes receivable	(10,619,886)		100,785
Prepaid estimated taxes	(4,296)
Other assets	(178,850)	38,892	43,748
Increase (decrease) in operating liabilities:
Accounts payable	(13,999,647)	4,148,128	11,248,840
Accrued liabilities	(4,269,163)	2,147,705	2,232,059
Income taxes payable	(4,896,246)	594,107	4,347,826
Net cash provided by operating activities	16,768,128	32,793,499	18,997,029
Cash flows from investing activities
Purchase of property, plant, and equipment	(16,830,077)	(58,366,563)	(21,049,656)
Purchase of debt and equity securities	(18,135,191)	(4,748,624)	(2,242,897)
Proceeds from the sales of equity securities	3,762,454	75,000	3,965,329
Net cash used by investing activities	(31,202,814)	(63,040,187)	(19,327,224)
Cash flows from financing activities
Repayments of long-term debt	(283,933)	(274,791)	(260,894)
Proceeds of long-term debt			1,363,000
Proceeds from Technology Investment Agreement (TIA)	14,235,417	52,366,282	10,636,822
Proceeds from the exercise of stock options	13,800	48,600	922,512
Payment of preferred stock redemption price payable		(101,250)
Payment of preferred stock repurchase payable	(1,101,110)	(1,101,110)	(482,670)
Payment of preferred stock dividends	(252,879)	(3,824,311)	(216,642)
Repurchase of common stock	(7,618,177)	(5,270,501)
Net cash provided by financing activities	4,993,118	41,842,919	11,962,128
Net increase (decrease) in cash and cash equivalents	(9,441,568)	11,596,231	11,631,933
Cash and cash equivalents at:
Beginning of period	29,162,913	17,566,682	5,934,749
End of period	19,721,345	29,162,913	17,566,682
Supplemental schedule of cash flow information:
Interest paid	110,537	118,163	260,264
Income taxes paid	12,323,857	27,124,342	2,106,000
Supplemental schedule of noncash investing and financing activities:
Preferred dividends declared, not paid	1,417,937	1,438,371	49,091
Conversion of preferred stock to common stock		30,500	96,700
Amounts receivable under Technology Investment Agreement (TIA)	2,025,413	5,924,136	11,779,078
Redemption price payable	6,000	6,000	107,250
Preferred stock repurchase payable	$ 1,091,953	$ 2,132,948	$ 3,007,002