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Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Income Taxes (Texual)
Federal NOL carryforward for federal	$ 200
Provision for income taxes	(46)	$ (79)
Net deferred liability	673
Minimum [Member]
Income Taxes (Texual)
U.S. federal corporate tax rate			21.00%
Maximum [Member]
Income Taxes (Texual)
U.S. federal corporate tax rate			35.00%
Wireless Ronin Technologies [Member]
Income Taxes (Texual)
Provision for income taxes	79
Wireless Ronin Technologies [Member] | First quarter income [Member]
Income Taxes (Texual)
Provision for income taxes	16
Wireless Ronin Technologies [Member] | Goodwill [Member]
Income Taxes (Texual)
Provision for income taxes	$ 63

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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