Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Operating revenues
Operating revenues	$ 361	$ 1,502	$ 1,237	$ 5,199
Operating expenses
Direct cost of revenue (exclusive of depreciation and amortization)	631	974	2,248	3,599
General and administrative	4,740	5,216	14,145	14,310
Sales and support	949	620	2,922	3,110
Product development	610	647	1,846	1,846
Depreciation and amortization	1,135	695	2,412	2,140
Stock compensation expense (exclusive of restructuring related costs)	1,404	1,459	4,393	4,419
Restructuring costs	35	418	195	8,540
Impairment of long-lived assets	33	200	33	730
Total operating expenses	9,537	10,229	28,194	38,694
Loss from operations	(9,176)	(8,727)	(26,957)	(33,495)
Interest income	517	393	1,505	1,079
Other income (expenses)	2	(16)	154	(16)
Loss on equity method investment	(23)		(8)
Loss before income taxes	(8,680)	(8,350)	(25,306)	(32,432)
Income tax expense	131		594
Net loss	$ (8,811)	$ (8,350)	$ (25,900)	$ (32,432)
Net loss per common share basic and diluted	$ (0.52)	$ (0.57)	$ (1.60)	$ (2.23)
Weighted-average common shares used to compute basic and diluted net loss per share	17,093,133	14,614,793	16,167,845	14,539,377
Service [Member]
Operating revenues
Operating revenues	$ 178	$ 1,155	$ 690	$ 3,798
Spectrum [Member]
Operating revenues
Operating revenues	$ 183	183	$ 547	547
Other Revenue [Member]
Operating revenues
Operating revenues		$ 164		$ 854