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v3.23.1

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

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