Consolidated Statement of Deficit Consolidated Statement of Deficit - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Dec. 31, 2019	Dec. 31, 2018
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock, beginning balance (in shares)			1,313,836				1,313,836
Stockholders equity, beginning balance	$ (38,150)	$ (41,590)	$ (36,568)	$ (28,655)	$ (25,497)	$ (22,304)	$ (36,568)	$ (22,304)
Issuance of shares for asset acquisition				106
Foreign exchange translation	(3)	22	6	25	12	4
Issuance of common stock for third party professional services				1
Fair value of conversion feature in connection with convertible note				270
Stock-based compensation	$ 178	178	11	361	317	86
Issuance of restricted stock to employees				0
Issuance of Class A common stock (in shares)	3,900,000
Issuance of Class A common stock		5,850
Preferred stock dividends paid with common stock		0	0	0	0	0
Fair value of conversion feature in connection with convertible note		478
Net loss	$ (2,162)	(3,088)	(5,039)	(3,272)	(3,487)	(3,283)	$ (10,289)	(10,042)
Treasury stock, ending balance (in shares)	1,313,836						1,313,836
Stockholders equity, ending balance	$ (40,137)	$ (38,150)	$ (41,590)	$ (31,164)	$ (28,655)	$ (25,497)	$ (40,137)	$ (31,164)
Preferred Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Preferred stock, beginning balance (in shares)	7	7	7	7	7	7	7	7
Stockholders equity, beginning balance	$ 3,559	$ 3,559	$ 3,559	$ 3,559	$ 3,559	$ 3,559	$ 3,559	$ 3,559
Preferred stock, ending balance (in shares)	7	7	7	7	7	7	7	7
Stockholders equity, ending balance	$ 3,559	$ 3,559	$ 3,559	$ 3,559	$ 3,559	$ 3,559	$ 3,559	$ 3,559
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock, beginning balance (in shares)	39,689,736	35,723,987	35,678,597	35,069,202	35,012,333	34,948,139	35,678,597	34,948,139
Stockholders equity, beginning balance	$ 40	$ 36	$ 36	$ 35	$ 35	$ 35	$ 36	$ 35
Issuance of shares for asset acquisition (in shares)				137,667
Issuance of common stock for third party professional services (in shares)				225,862
Issuance of common stock for third party professional services				$ 1
Issuance of restricted stock to employees (in shares)				10,000
Issuance of Class A common stock (in shares)		3,900,000
Issuance of Class A common stock		$ 4
Preferred stock dividends paid with common stock	102,345	65,749	45,390	74,335	56,869	64,194
Common stock, ending balance (in shares)	39,792,081	39,689,736	35,723,987	35,517,066	35,069,202	35,012,333	39,792,081	35,517,066
Stockholders equity, ending balance	$ 40	$ 40	$ 36	$ 36	$ 35	$ 35	$ 40	$ 36
Treasury Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock, beginning balance (in shares)	1,313,836	1,313,836	1,313,836	1,313,836	1,313,836	1,313,836	1,313,836	1,313,836
Stockholders equity, beginning balance	$ (11,603)	$ (11,603)	$ (11,603)	$ (11,603)	$ (11,603)	$ (11,603)	$ (11,603)	$ (11,603)
Treasury stock, ending balance (in shares)	1,313,836	1,313,836	1,313,836	1,313,836	1,313,836	1,313,836	1,313,836	1,313,836
Stockholders equity, ending balance	$ (11,603)	$ (11,603)	$ (11,603)	$ (11,603)	$ (11,603)	$ (11,603)	$ (11,603)	$ (11,603)
Additional Paid-In Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders equity, beginning balance	375,222	368,631	368,531	366,804	366,398	366,223	368,531	366,223
Issuance of shares for asset acquisition				106
Fair value of conversion feature in connection with convertible note				270
Stock-based compensation	178	178	11	361	317	86
Issuance of Class A common stock		5,846
Preferred stock dividends paid with common stock	89	89	89	89	89	89
Fair value of conversion feature in connection with convertible note	478	478
Stockholders equity, ending balance	375,489	375,222	368,631	367,630	366,804	366,398	375,489	367,630
Accumulated Deficit
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders equity, beginning balance	(404,120)	(400,936)	(395,814)	(386,149)	(382,581)	(379,225)	(395,814)	(379,225)
Preferred stock dividends paid with common stock	(89)	(89)	(89)	(89)	(89)	(89)
Net loss	(2,169)	(3,095)	(5,033)	(3,258)	(3,479)	(3,267)
Stockholders equity, ending balance	(406,378)	(404,120)	(400,936)	(389,496)	(386,149)	(382,581)	(406,378)	(389,496)
Accumulated Other Comprehensive Loss
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders equity, beginning balance	38	16	10	(22)	(34)	(38)	10	(38)
Foreign exchange translation	(3)	22	6	25	12	4
Stockholders equity, ending balance	35	38	16	3	(22)	(34)	35	3
Total Stockholders’ Deficit
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders equity, beginning balance	(36,864)	(40,297)	(35,281)	(27,376)	(24,226)	(21,049)	(35,281)	(21,049)
Issuance of shares for asset acquisition				106
Foreign exchange translation	(3)	22	6	25	12	4
Issuance of common stock for third party professional services				1
Fair value of conversion feature in connection with convertible note				270
Stock-based compensation	178	178	11	361	317	86
Issuance of Class A common stock		5,850
Fair value of conversion feature in connection with convertible note		478
Net loss	(2,169)	(3,095)	(5,033)	(3,258)	(3,479)	(3,267)
Stockholders equity, ending balance	(38,858)	(36,864)	(40,297)	(29,871)	(27,376)	(24,226)	(38,858)	(29,871)
Non-Controlling Interest
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders equity, beginning balance	(1,286)	(1,293)	(1,287)	(1,279)	(1,271)	(1,255)	(1,287)	(1,255)
Net loss	7	7	(6)	(14)	(8)	(16)
Stockholders equity, ending balance	$ (1,279)	$ (1,286)	$ (1,293)	$ (1,293)	$ (1,279)	$ (1,271)	$ (1,279)	$ (1,293)