Equity Method Investment - Stock purchase agreement with Kleo (Details) $ / shares in Units, $ in Thousands		1 Months Ended				3 Months Ended
	Aug. 29, 2016 director tranche $ / shares shares	Jan. 31, 2018 USD ($) shares	Oct. 31, 2017 USD ($) shares	Jun. 30, 2017 USD ($) shares	Mar. 31, 2017 USD ($) shares	Mar. 31, 2018 USD ($)	Mar. 31, 2017 USD ($) shares
Equity Method Investment
Cash payment for purchase of equity method investment						$ 1,375	$ 1,624
Loss from equity method investment						(728)	$ (218)
Kleo
Equity Method Investment
Shares of Kleo common stock purchased | shares	3,000,000
Additional shares of Kleo common stock purchased | shares	5,500,000		2,049,543
Additional cash consideration			$ 2,253
Price per share | $ / shares	$ 1.00
Number of equal tranches of shares to be purchased | tranche	4
Period of time shares begin to be purchased in equal tranches after the initial closing	6 months
Period of time shares are purchased after the initial purchase	3 months
Number to designate to Kleo's board of directors | director	2
Shares purchased in equal tranches | shares	1,375,000	1,375,000	1,375,000	1,375,000	1,375,000		1,375,000
Cash payment for purchase of equity method investment		$ 1,375	$ 1,375	$ 1,375	$ 1,375	$ 1,375	$ 1,976
Shares of Kleo common stock purchased from Chief Executive Officer | shares					500,000		500,000
Cash payment for purchase of Kleo officer and stockholder shares					$ 250		$ 250
Issuance of common shares for purchase of Kleo office and stockholder shares (in shares) | shares					32,500		32,500
Ownership percentage						46.60%
Loss from equity method investment						$ (728)	$ (218)