Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)	Common Stock	Paid-in Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Loss	Total
Beginning balance, shares at Dec. 31, 2018	1,545,884
Beginning balance, amount at Dec. 31, 2018	$ 1,800	$ 16,782,800	$ 27,540,600	$ (3,037,300)	$ 0	$ 41,287,900
Net loss			(1,308,200)			(1,308,200)
Accumulated other comprehensive income/(loss)					(427,800)	(427,800)
Ending balance, shares at Mar. 31, 2019	1,545,884
Ending balance, amount at Mar. 31, 2019	$ 1,800	16,782,800	26,232,400	(3,037,300)	(427,800)	39,551,900
Net loss			(77,600)			(77,600)
Accumulated other comprehensive income/(loss)					(1,011,300)	(1,011,300)
Ending balance, shares at Jun. 30, 2019	1,545,884
Ending balance, amount at Jun. 30, 2019	$ 1,800	16,782,800	26,154,800	(3,037,300)	(1,439,100)	38,463,000
Net loss			(8,231,400)			(8,231,400)
Accumulated other comprehensive income/(loss)					(115,000)	(115,000)
Ending balance, shares at Sep. 30, 2019	1,545,884
Ending balance, amount at Sep. 30, 2019	$ 1,800	16,782,800	17,923,400	(3,037,300)	(1,554,100)	30,116,600
Beginning balance, shares at Dec. 31, 2019	1,545,884
Beginning balance, amount at Dec. 31, 2019	$ 1,800	16,782,800	10,882,100	(3,037,300)	(1,370,800)	23,258,600
Net loss			(10,178,400)			(10,178,400)
Accumulated other comprehensive income/(loss)					583,700	583,700
Ending balance, shares at Mar. 31, 2020	1,545,884
Ending balance, amount at Mar. 31, 2020	$ 1,800	16,782,800	703,700	(3,037,300)	(787,100)	13,663,900
Net loss			(13,517,700)			(13,517,700)
Accumulated other comprehensive income/(loss)					187,600	187,600
Ending balance, shares at Jun. 30, 2020	1,545,884
Ending balance, amount at Jun. 30, 2020	$ 1,800	16,782,800	(12,814,000)	(3,037,300)	(599,500)	333,800
Net loss			(4,081,100)			(4,081,100)
Ending balance, shares at Sep. 30, 2020	1,545,884
Ending balance, amount at Sep. 30, 2020	$ 1,800	$ 16,782,800	$ (16,895,100)	$ (3,037,300)	$ (482,800)	$ (3,630,600)