v3.26.1
UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net income from consolidated operations $ 212,604,830 $ 190,524,495
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 51,430,181 52,880,443
Gain on disposal of assets (1,873,306) (133,576)
Loss on disposal of assets 14,730 791
Gain on sale of investments and technology investment income (2,021,165) (832,046)
Loss on sale of investments and technology investment losses 4,793,822 5,163,260
Reserve for credit losses 5,094,288 0
Deferred income taxes (7,026,153) (5,593,627)
Stock-based compensation expense related to employee stock options, employee stock purchases and restricted stock 20,140,355 16,160,289
Impairment charges - intangible assets 2,800,000 0
Impairment charges - investments 12,163,239 6,182,000
Change in operating assets and liabilities:    
Accounts receivable, net (17,821,395) (20,896,565)
Inventories (2,696,794) 57,495,782
Prepaid expenses and other 23,045,953 2,765,009
Accounts payable (1,854,712) 5,032,376
Accrued liabilities, excluding dividends declared 22,869,807 5,896,241
Net cash provided by operating activities 321,663,680 314,644,872
Activity in investments:    
Sales proceeds 1,863,489 48,810,102
Maturities and calls 1,000,000 1,655,000
Purchases (3,586,746) (17,331,563)
Purchase of equity method investments (4,035,584) 0
Plant and equipment additions (36,237,437) (67,834,222)
Proceeds from sale of plant and equipment 442,187 245,105
Acquisition of businesses, net of cash acquired 0 (143,328,862)
Loans to technology investment partners (4,936,796) 0
Decrease (increase) in other assets (3,103,663) (3,573,774)
Net cash used for investing activities (48,594,550) (181,358,214)
CASH FLOWS USED FOR FINANCING ACTIVITIES:    
Issuance of common stock from stock plan transactions 4,012,818 6,283,742
Cash dividends paid (51,409,775) (54,244,161)
Repurchases of common stock (137,873,659) (198,870,165)
Net cash used for financing activities (185,270,616) (246,830,584)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS 87,798,514 (113,543,926)
CASH AND CASH EQUIVALENTS, beginning of period 145,645,715 233,318,766
CASH AND CASH EQUIVALENTS, end of period 233,444,229 119,774,840
Non-cash investing and financing activities:    
Change in property and equipment in accounts payable and accrued expenses and other current liabilities $ (647,112) $ 13,722,396