Organization and Basis of Presentation (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Common stock, shares authorized	125,000,000	125,000,000
Wenatchee Valley [Member]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Revenue on mining	$ 3,134
Description on Cryptocurrency minig	The Company will receive both a fee to manage the mining operations plus one-half of the net operating profit. In the year ended December 31, 2017, the Company mined approximately 856 coins
March 23 2018 [Member]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Common stock reverse split	The Company’s shareholders approved a 1-for-2 reverse split of the Company’s common stock, to be effected only if needed for the Company’s application to uplist its common stock to a national exchange
March 23 2018 [Member] | Minimum [Member]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Common stock, shares authorized	75,000,000
March 23 2018 [Member] | Maximum [Member]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Common stock, shares authorized	125,000,000
March 19 2018 [Member]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Sale of asset in consideration	$ 60
Conversion convertible interest percentage	20.00%
March 19 2018 [Member] | Promissory Note [Member]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Sale of asset in consideration	$ 1,000
March 30, 2018 [Member] | Quincy [Member]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Description on Cryptocurrency minig	MGT owned and operated approximately 500 miners located in a leased facility in Quincy, Washington and 4,200 miners located in a leased facility in Sweden. In addition, the Company operates about 2,000 miners in the Sweden location pursuant to management agreements. All miners owned or managed by MGT are S9 Antminers sold by Bitmain Technologies LTD. At full deployment expected in April 2018, our total bitcoin mining capacity, as measured by computational hashing rate, is approximately 90 PH/s. In addition to the S9 Antminers, the Company owns 50 custom designed GPU-based Ethereum mining rigs.