Summary of Significant Accounting Policies (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Allowance for doubtful accounts	$ 21,000		$ 21,000		$ 45,000
Impairment of long-lived assets to be disposed of			0
Impairment charges			25,000	$ 134,000
Capitalized Software Costs
Finite-Lived Intangible Assets [Line Items]
Capitalized computer software, additions	97,000	$ 330,000	159,000	853,000
Capitalized computer software, amortization	151,000	197,000	330,000	322,000
Impairment charges	25,000,000	0	$ 25,000
NEW JERSEY | Property and Equipment, including Furniture and Leasehold Improvements
Finite-Lived Intangible Assets [Line Items]
Impairment of long-lived assets to be disposed of				134,000
Minimum | Capitalized Software Costs
Finite-Lived Intangible Assets [Line Items]
Estimated useful life (in years)			3 years
Maximum | Capitalized Software Costs
Finite-Lived Intangible Assets [Line Items]
Estimated useful life (in years)			4 years
Revenues
Finite-Lived Intangible Assets [Line Items]
Excise and sales taxes	216,000	259,000	$ 470,000	589,000
Network and Infrastructure Costs
Finite-Lived Intangible Assets [Line Items]
Excise and sales taxes	$ 265,000	$ 244,000	$ 692,000	$ 553,000