Condensed Consolidated Statements of Changes In Stockholders’ Equity - USD ($)	Preferred Stock	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Total (Deficit) Equity Attributable to MGT Stockholders	Total
Balance at Dec. 31, 2020	$ 14	$ 190,529	$ 93,778,591	$ (92,266,764)	$ 441,453	$ 1,702,370
Balance (in Shares) at Dec. 31, 2020	13,602	190,529,320
RSU restricted Stock		$ 31	4,519			4,550
RSU restricted Stock (in Shares)		31,250
Stock-based compensation			170,029			170,029
Common stock issued on cashless exercise of options and warrant		$ 1,006	(1,006)
Common stock issued on cashless exercise of options and warrant (in Shares)		1,005,682
Common stock issued on exercise of options and warrant		$ 600	41,400			42,000
Common stock issued on exercise of options and warrant (in Shares)		600,000
Common stock issued on exercise of convertible note		$ 158	47,340			47,498
Common stock issued on exercise of convertible note (in Shares)		158,329
Sale of common stock		$ 7,056	2,250,944			2,258,000
Sale of common stock (in Shares)		7,056,250
Net loss				(1,086,438)		(1,086,438)
Balance at Mar. 31, 2021	$ 14	$ 199,380	96,291,817	(93,353,202)	(1,709)	3,138,010
Balance (in Shares) at Mar. 31, 2021	13,602	199,380,831
Balance at Dec. 31, 2021	$ 14	$ 207,562	100,452,862	(97,692,217)		2,968,221
Balance (in Shares) at Dec. 31, 2021	13,602	207,562,461
RSU restricted Stock		$ 130	(130)
RSU restricted Stock (in Shares)		130,417
Stock-based compensation			554,877			554,877
Net loss				(1,781,190)		(1,781,190)
Balance at Mar. 31, 2022	$ 14	$ 207,692	$ 101,007,609	$ (99,473,407)		$ 1,741,908
Balance (in Shares) at Mar. 31, 2022	13,602	207,692,878