v3.26.1
UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net income from consolidated operations $ 98,421,059 $ 94,874,045
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 25,656,252 25,509,069
Gain on disposal of assets (18,375) (24,367)
Loss on disposal of assets 7,524 0
Gain on sale of investments and technology investment income (1,090,014) (787,579)
Loss on sale of investments and technology investment losses 3,665,560 3,274,941
Reserve for credit losses 2,211,597 0
Deferred income taxes (3,944,932) (927,401)
Stock-based compensation expense related to employee stock options, employee stock purchases and restricted stock 10,406,965 8,671,763
Impairment charges - intangible assets 2,800,000 0
Impairment charges - investments 2,739,466 0
Change in operating assets and liabilities:    
Accounts receivable, net (50,951,356) (35,280,995)
Inventories (7,255,989) 27,562,638
Prepaid expenses and other 5,958,594 9,056,108
Accounts payable 21,070,064 (3,809,528)
Accrued liabilities, excluding dividends declared 27,406,814 20,386,827
Net cash provided by operating activities 137,083,229 148,505,521
Activity in investments:    
Sales proceeds 492,475 48,810,102
Purchases (3,145,703) (12,180,407)
Purchase of equity method investments (5,491,789) 0
Plant and equipment additions (17,042,162) (36,722,401)
Proceeds from sale of plant and equipment 70,262 53,110
Loans to technology investment partners (1,334,424) 0
Decrease (increase) in other assets 877,306 (5,061,949)
Net cash used for investing activities (25,574,035) (5,101,545)
CASH FLOWS USED FOR FINANCING ACTIVITIES:    
Issuance of common stock from stock plan transactions 2,103,787 4,933,702
Cash dividends paid (25,853,186) (27,264,150)
Repurchases of common stock (68,643,877) (67,833,696)
Net cash used for financing activities (92,393,276) (90,164,144)
NET INCREASE IN CASH, CASH EQUIVALENTS, and RESTRICTED CASH 19,115,918 53,239,832
CASH AND CASH EQUIVALENTS, beginning of period 145,645,715 233,318,766
CASH AND CASH EQUIVALENTS, end of period 164,761,633 286,558,598
Non-cash investing and financing activities:    
Change in property and equipment in accounts payable and accrued expenses and other current liabilities $ (2,890,402) $ 9,778,725