Unaudited Condensed Consolidated Statements of Income - USD ($)		3 Months Ended		6 Months Ended
		Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Statement [Abstract]
NET SALES		$ 229,925,556	$ 468,711,354	$ 683,687,281	$ 937,300,351
COST OF GOODS SOLD		185,980,748	292,173,750	483,154,994	591,118,243
Gross profit		43,944,808	176,537,604	200,532,287	346,182,108
OPERATING EXPENSES:
Engineering, research and development		28,992,968	28,359,343	58,608,390	56,448,524
Selling, general & administrative		21,690,096	20,273,295	43,634,987	40,232,286
Total operating expenses		50,683,064	48,632,638	102,243,377	96,680,810
(Loss) Income from operations		(6,738,256)	127,904,966	98,288,910	249,501,298
OTHER INCOME
Investment income		1,462,033	2,140,387	3,908,682	5,403,128
Other income, net		1,404,196	237,191	1,205,030	286,660
Total other income		2,866,229	2,377,578	5,113,712	5,689,788
(LOSS) INCOME BEFORE (BENEFIT FROM) PROVISION FOR INCOME TAXES		(3,872,027)	130,282,544	103,402,622	255,191,086
(BENEFIT FROM) PROVISION FOR INCOME TAXES		(1,497,994)	21,323,919	16,270,854	41,952,050
NET (LOSS) INCOME		$ (2,374,033)	$ 108,958,625	$ 87,131,768	$ 213,239,036
EARNINGS (LOSS) PER SHARE:
Basic (in dollars per share)	[1]	$ (0.01)	$ 0.42	$ 0.35	$ 0.82
Diluted (in dollars per share)	[1]	(0.01)	0.42	0.35	0.82
Cash Dividends Declared per Share (in dollars per share)		$ 0.120	$ 0.115	$ 0.240	$ 0.23

[1] ⁽¹⁾ Earnings (Loss) Per Share has been adjusted to exclude the portion of net income allocated to participating securities as a result of share-based payment awards.