Business Description and Significant Accounting Policies - Narrative (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($) segment	Dec. 31, 2015 USD ($)
Property, Plant and Equipment [Line Items]
Number of operating segments | segment	1
Ownership percentage in subsidiary	100.00%
Allowance for doubtful accounts	$ 32	$ 45
Tangible Asset Impairment Charges	76	138
Impairment charges	675	138
Deferred financing costs	125	197
Software and Software Development Costs
Property, Plant and Equipment [Line Items]
Capitalized computer software, additions	339	1,153
Amortization	652	662
Tangible Asset Impairment Charges	64	7
Revenue
Property, Plant and Equipment [Line Items]
Excise and sales taxes	830	1,070
Cost of Revenue
Property, Plant and Equipment [Line Items]
Excise and sales taxes	$ 1,070	$ 1,032
Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Life	3 years
Minimum | Software and Software Development Costs
Property, Plant and Equipment [Line Items]
Estimated Useful Life	3 years
Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Life	5 years
Maximum | Software and Software Development Costs
Property, Plant and Equipment [Line Items]
Estimated Useful Life	4 years
Up-front Payment Arrangement | Minimum
Property, Plant and Equipment [Line Items]
Deferred revenue, estimated recognition period	12 months
Up-front Payment Arrangement | Maximum
Property, Plant and Equipment [Line Items]
Deferred revenue, estimated recognition period	24 months