Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
OPERATING ACTIVITIES:
Net loss	$ (6,613)	$ (11,508)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Non-cash stock based compensation	1,509	290
Gain on disposal of property and equipment	(3)	(15)
Non-cash interest and amortization of debt discount	3,125	338
Bad debt expense	394	(110)
Provision for inventory reserve	802	574
Depreciation and amortization included in operating expenses	1,068	1,022
Depreciation included in cost of sales for rentals	539	634
Non-cash lease expense	269	491
Deferred income taxes	5	5
Changes in operating assets and liabilities:
Accounts receivable	(1,540)	3,286
Finance receivables	531	(454)
Inventory	1,324	1,232
Prepaid expenses and other assets	100	(412)
Accounts payable and accrued expenses	3,985	5,288
Operating lease liabilities	(259)	(399)
Deferred revenue	(58)	(33)
Net cash provided by operating activities	5,178	229
INVESTING ACTIVITIES:
Purchase of property and equipment	(483)	(420)
Proceeds from sale of property and equipment	8	30
Net cash used in investing activities	(475)	(390)
FINANCING ACTIVITIES:
Proceeds from long-term debt issuance by JPMorgan Chase Bank, N.A., net of debt issuance costs	14,550	0
Repayment of finance lease obligations and long-term debt	(15,101)	(1,763)
Proceeds from exercise of common stock options	25	0
Payment of Antara prepayment penalty and commitment termination fee	(1,200)	0
Net cash used in financing activities	(1,726)	(1,763)
Net (decrease) increase in cash and cash equivalents	2,977	(1,924)
Cash and cash equivalents at beginning of year	31,713	27,464
Cash and cash equivalents at end of period	34,690	25,540
Supplemental disclosures of cash flow information:
Interest paid in cash	$ 191	$ 205