Capital Lease Obligations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2018	Dec. 31, 2017
Capital Lease Obligations (Textual)
Capital lease obligations depreciation expense		$ 0	$ 119,000
Madison Funding [Member] | Furniture and Fixtures [Member]
Capital Lease Obligations (Textual)
Lease term, description	The lease term was from March 2014 through February 2019. Monthly minimum lease payments were $3,000 and the lease required a security deposit of $14,000. The Company exercised the buy-out option and the lease was paid in full on January 27, 2016.
Security Deposit	$ 14,000
Monthly minimum lease payments	$ 3,000
Cambridge Telcom Services, Inc. [Member] | Equipment [Member]
Capital Lease Obligations (Textual)
Lease term, description	The lease term was from November 2014 through April 2019.
Monthly minimum lease payments	$ 13,000