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v3.23.1

CONDENSED STATEMENTS OF CASH FLOWS - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Cash flows from operating activities |  |
Net income | $ 990,972 | $ 7,616,455
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 1,938,921 | 696,846
Net unrealized gain on investments | (1,492,011) | (3,331,109)
Realized (gain) loss on investments | (746,262) | 38,378
Accreted interest | 9,157 | 21,097
Deferred taxes | 230,917 | 5,071,519
Provision for doubtful accounts | 370,573 |
Share-based compensation |  | 1,132,078
Other income - TIA | (1,557,779) | (355,089)
(Increase) decrease in operating assets: |  |
Accounts receivable | (1,849,918) | 15,332,107
Inventories | (1,414,879) | 1,732,909
Other current assets | (533,279) | (57,627)
Income taxes receivable | 1,100,847 |
Other assets | 11,178 |
Increase (decrease) in operating liabilities: |  |
Accounts payable | (1,034,169) | (7,113,028)
Accrued liabilities | 276,150 | (439,435)
Income taxes payable |  | 714,326
Net cash provided (used) by operating activities | (3,699,582) | 21,059,427
Cash flows from investing activities |  |
Purchase of property, plant, and equipment | (467,530) | (4,969,045)
Purchase of debt and equity securities | (15,918,837) | (4,066,575)
Proceeds from the sales of equity securities | 6,784,228 | 1,924,769
Net cash used by investing activities | (9,602,139) | (7,110,851)
Cash flows from financing activities |  |
Repayments of long-term debt | (70,496) | (71,252)
Proceeds from Technology Investment Agreement (TIA) | 1,172,310 | 3,786,988
Proceeds from the exercise of stock options |  | 10,500
Payment of preferred stock repurchase payable | (1,101,110) | (1,101,110)
Payment of preferred stock dividends | (58,111) | (78,545)
Repurchase of common stock |  | (2,547,724)
Net cash used by financing activities | (57,407) | (1,143)
Net increase (decrease) in cash and cash equivalents | (13,359,128) | 13,947,433
Cash and cash equivalents at: |  |
Beginning of period | 19,721,345 | 29,162,913
End of period | 6,362,217 | 43,110,346
Supplemental schedule of cash flow information: |  |
Interest paid | 34,398 | 26,009
Supplemental schedule of noncash investing and financing activities: |  |
Preferred dividends declared, not paid | 1,417,937 | 1,417,937
Amounts receivable under Technology Investment Agreement (TIA) | 1,390,919 | 5,542,048
Redemption price payable | $ 6,000 |
Preferred stock repurchase payable |  | $ 1,058,935

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