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v3.23.1

Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
CASH FLOWS FROM OPERATING ACTIVITIES: |  |
Net income | $ 97,578,261 | $ 87,528,626
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 24,041,648 | 24,711,500
(Gain) on disposal of assets | (106,743) | (33,982)
Loss on disposal of assets | 41,843 | 11,067
(Gain) on sale of investments and equity method investment income | (1,199,707) | (367,879)
Loss on sale of investments and equity method investment losses | 1,671,583 | 704,214
Change in deferred income taxes | 141,959 | 0
Stock-based compensation expense related to employee stock options, employee stock purchases and restricted stock | 8,519,535 | 6,788,337
Change in operating assets and liabilities: |  |
Accounts receivable, net | (56,373,376) | (31,666,772)
Inventories | 2,590,294 | (46,469,079)
Prepaid expenses and other | (629,502) | 16,082,077
Accounts payable | 11,112,425 | 42,968,193
Accrued liabilities, excluding dividends declared | 33,525,890 | 15,702,241
Net cash provided by operating activities | 120,914,110 | 115,958,543
Activity in available-for-sale securities: |  |
Sales proceeds | 3,128,110 | 37,158,611
Maturities and calls | 1,465,000 | 1,000,000
Purchases | (32,178,155) | (15,889,063)
Plant and equipment additions | (42,819,075) | (23,892,169)
Proceeds from sale of plant and equipment | 118,410 | 33,740
Increase in other assets | (2,110,935) | (455,419)
Net cash used for investing activities | (72,396,645) | (2,044,300)
CASH FLOWS USED FOR FINANCING ACTIVITIES: |  |
Issuance of common stock from stock plan transactions | 5,956,022 | 3,324,147
Cash dividends paid | (28,099,993) | (28,589,625)
Repurchases of common stock | (25,675,972) | (71,252,022)
Net cash used for financing activities | (47,819,943) | (96,517,500)
NET INCREASE IN CASH AND CASH EQUIVALENTS | 697,522 | 17,396,743
CASH, CASH EQUIVALENTS, and RESTRICTED CASH, beginning of period | 218,754,638 | 262,311,670
CASH, CASH EQUIVALENTS, and RESTRICTED CASH, end of period | $ 219,452,160 | $ 279,708,413

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