Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash flows from operating activities:
Net loss	$ (5,039)	$ (3,283)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization of property and equipment and amortization of intangible assets	2,769	3,484
Amortization of debt issuance costs included in interest expense	523	410
Provision for doubtful accounts	270	65
Recovery for inventory reserve	(133)	(28)
Stock-based compensation and expenses	11	86
Accretion and PIK interest expense added to note payable	395	489
Changes in operating assets and liabilities;
Accounts receivable	3,807	5,067
Inventory	194	179
Unbilled revenue	17	2,991
Prepaids and other assets	(2,534)	1,429
Accounts payable and accrued expenses	4,145	(4,985)
Deferred revenue	(410)	(589)
Net cash provided by operating activities	4,015	5,315
Cash flows from investing activities:
Purchases of property and equipment	(252)	(194)
Purchases of intangible assets	0	(3)
Net cash used in investing activities	(252)	(197)
Cash flows from financing activities:
Payment of notes payable	(5,493)	(8,250)
Proceeds under revolving credit agreement	0	3,000
Net cash used in financing activities	(5,493)	(5,250)
Net change in cash and cash equivalents	(1,730)	(132)
Cash, cash equivalents, and restricted cash at beginning of period	18,872	18,952
Cash, cash equivalents, and restricted cash at end of period	$ 17,142	$ 18,820