Non-controlling Interests (Details)			1 Months Ended	3 Months Ended
	Dec. 24, 2014 USD ($) Director Subclasses	Apr. 20, 2007 USD ($)	Apr. 19, 2007	Mar. 31, 2018 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2014	Apr. 11, 2007 USD ($)
Changes in non-controlling interest [Abstract]
Non-controlling interest, beginning of period				$ 913,000	$ 2,229,000
Net income				234,000	113,000
Distributions				0	(1,436,000)
Non-controlling interest, end of period				$ 1,147,000	$ 906,000
Telos ID [Member]
Noncontrolling Interest [Line Items]
Net book value of assets contributed							$ 17,000
Percentage of membership interest owned before			99.999%
Owned membership interest from private equity investors			0.001%
Cash consideration received on sale of membership interest	$ 5,000,000	$ 6,000,000
Recognized gain on sale of membership interests to the Investors		$ 5,800,000
Percentage of membership interest sold to investor	10.00%	39.999%
Percentage of ownership interest owned after transaction		60.00%
Number of members in board of director | Director	5
Number of subclasses of membership units | Subclasses	2
Telos ID [Member] | Class A Membership Unit [Member]
Noncontrolling Interest [Line Items]
Percentage of ownership interest owned after transaction	50.00%
Percentage of profit and loss allocated						50.00%
Number of directors entitled to appoint | Director	3
Percentage of outstanding voting securities	51.00%
Telos ID [Member] | Class B Membership Unit [Member]
Noncontrolling Interest [Line Items]
Percentage of ownership interest owned after transaction	50.00%
Percentage of profit and loss allocated						50.00%
Number of directors entitled to appoint | Director	2
Percentage of ownership interests	50.00%