Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities:
Net loss	$ (1,703)	$ (8,705)	$ (40,595)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Stock-based compensation	6,248	9,075	3,029
Amortization of debt issuance costs and discounts	148	2,735	1,283
Reimbursement of shareholder proxy solicitation costs	0	0	4,500
Provision for expected losses	3,471	1,236	2,958
Provision for inventory reserve	(397)	693	681
Depreciation and amortization included in operating expenses	4,352	4,107	4,307
Depreciation included in cost of sales for rental equipment	973	1,405	2,710
Property and equipment write-off	0	1,658	0
Gain on extinguishment of debt	0	(3,065)	0
Operating lease right-of-use asset impairment	0	1,578	0
Other	686	1,104	2,103
Changes in operating assets and liabilities:
Accounts receivable	(13,649)	(10,126)	1,818
Finance receivables	(1,884)	(1,877)	547
Inventory	(14,064)	3,142	1,463
Prepaid expenses and other assets	(4,262)	(847)	(563)
Accounts payable and accrued expenses	12,153	7,013	2,988
Operating lease liabilities	(907)	(1,014)	(1,384)
Deferred revenue	130	65	16
Net cash (used in) provided by operating activities	(8,705)	8,177	(14,139)
Cash flows from investing activities:
Purchase of property and equipment	(9,260)	(1,838)	(2,538)
Cash paid for acquisition	(2,966)	0	0
Proceeds from sale of property and equipment	0	10	44
Net cash used in investing activities	(12,226)	(1,828)	(2,494)
Cash flows from financing activities:
Proceeds from long-term debt issuance by Antara, net of issuance costs paid to Antara	0	0	14,248
Proceeds from equity issuance by Antara, net of issuance costs paid to Antara	0	0	17,879
Proceeds from PPP Loan	0	0	3,065
Payment of third-party debt issuance costs	(107)	0	(1,980)
Proceeds from long-term debt issuance by JPMorgan Chase Bank, N.A., net of debt issuance costs	738	14,550	0
Repayment of long-term debt	(606)	(15,744)	(2,522)
Proceeds from (repayments of) Revolving Credit Facility	0	0	(10,000)
Proceeds from private placement	0	55,008	0
Payment of equity issuance costs	0	(2,618)	0
Payment of Antara prepayment penalty and commitment termination fee	0	(1,200)	0
Proceeds from exercise of common stock options	895	78	192
Net cash provided by financing activities	920	50,074	20,882
Net (decrease) increase in cash and cash equivalents	(20,011)	56,423	4,249
Cash and cash equivalents at beginning of year	88,136	31,713	27,464
Cash and cash equivalents at end of year	68,125	88,136	31,713
Supplemental disclosures of cash flow information:
Interest paid in cash	$ 755	$ 1,055	$ 1,314