Unaudited Condensed Consolidated Balance Sheets - USD ($)	Jun. 30, 2022	Dec. 31, 2021
CURRENT ASSETS
Cash and cash equivalents	$ 269,372,471	$ 262,311,670	[1]
Short-term investments	11,992,154	5,423,612	[1]
Accounts receivable, net	274,404,572	249,794,906	[1]
Inventories	392,577,825	316,267,442	[1]
Prepaid expenses and other	43,539,709	39,178,119	[1]
Total current assets	991,886,731	872,975,749	[1]
PLANT AND EQUIPMENT—NET	488,913,960	464,121,676	[1]
OTHER ASSETS
Goodwill	313,857,650	313,960,209	[1]
Long-term investments	157,704,267	207,693,147	[1]
Equity method investments	39,940,046	0
Intangible assets, net	229,010,910	239,189,627	[1]
Patents and other assets, net	63,140,670	33,450,758	[1]
Total other assets	803,653,543	794,293,741	[1]
Total assets	2,284,454,234	2,131,391,166	[1]
CURRENT LIABILITIES
Accounts payable	186,623,085	98,342,928	[1]
Accrued liabilities	99,548,802	83,313,172	[1]
Total current liabilities	286,171,887	181,656,100	[1]
OTHER NON-CURRENT LIABILITIES	11,707,867	11,746,599	[1]
Total liabilities	297,879,754	193,402,699	[1]
SHAREHOLDERS’ INVESTMENT
Common stock	14,107,936	14,186,450	[1]
Additional paid-in capital	900,576,404	879,413,385	[1]
Retained earnings	1,082,846,019	1,042,461,388	[1]
Accumulated other comprehensive (loss) income	(10,955,879)	1,927,244	[1]
Total shareholders’ investment	1,986,574,480	1,937,988,467	[1]
Total liabilities and shareholders’ investment	$ 2,284,454,234	$ 2,131,391,166	[1]

[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.