Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash flows from operating activities:
Net loss	$ (2,029)	$ (2,111)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation	359	44
Depreciation and amortization	39	81
Loss on disposal of assets	0	194
Changes in assets and liabilities:
Accounts receivable	(201)	49
Income tax receivable	0	429
Inventory, net	(195)	64
Accounts payable	(282)	(164)
Other assets and liabilities	120	(66)
Net cash used in operating activities	(2,189)	(1,480)
Cash flows from investing activities:
Purchases of property and equipment	(97)	(16)
Net cash used in investing activities	(97)	(16)
Cash flows from financing activities:
Repayment of related party debt	(2,000)	0
Net cash used in financing activities	(2,000)	0
Net change in cash and cash equivalents	(4,286)	(1,496)
Cash and cash equivalents at beginning of period	35,936	3,349
Cash and cash equivalents at end of period	31,650	1,853
Supplemental disclosures of cash flow information:
Cash paid for interest	502	0
Income taxes paid	0	0
Operating right-of-use assets and associated liabilities	$ 0	$ 0