Unaudited Condensed Consolidated Balance Sheets - USD ($)	Mar. 31, 2022	Dec. 31, 2021	[1]
CURRENT ASSETS
Cash and cash equivalents	$ 279,708,413	$ 262,311,670
Short-term investments	6,891,621	5,423,612
Accounts receivable, net	281,461,678	249,794,906
Inventories	362,736,521	316,267,442
Prepaid expenses and other	24,733,040	39,178,119
Total current assets	955,531,273	872,975,749
PLANT AND EQUIPMENT—NET	468,409,064	464,121,676
OTHER ASSETS
Goodwill	313,928,914	313,960,209
Long-term investments	175,824,026	207,693,147
Intangible assets, net	234,229,803	239,189,627
Patents and other assets, net	32,459,405	33,450,758
Total other assets	756,442,148	794,293,741
Total assets	2,180,382,485	2,131,391,166
CURRENT LIABILITIES
Accounts payable	140,887,194	98,342,928
Accrued liabilities	98,335,978	83,313,172
Total current liabilities	239,223,172	181,656,100
OTHER NON-CURRENT LIABILITIES	12,190,413	11,746,599
Total liabilities	251,413,585	193,402,699
SHAREHOLDERS’ INVESTMENT
Common stock	14,068,640	14,186,450
Additional paid-in capital	881,371,438	879,413,385
Retained earnings	1,038,656,230	1,042,461,388
Accumulated other comprehensive (loss) income	(5,127,408)	1,927,244
Total shareholders’ investment	1,928,968,900	1,937,988,467
Total liabilities and shareholders’ investment	$ 2,180,382,485	$ 2,131,391,166

[1] The condensed consolidated balance sheet at December 31, 2021 has been derived from the audited consolidated financial statements at that date but does not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.