Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities:
Net loss	$ (2,180)	$ (1,622)	$ (4,209)	$ (3,733)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation, net of forfeitures			798	90
Depreciation and amortization			94	141
Loss on disposal of assets			0	173
Changes in assets and liabilities:
Accounts receivable			(87)	6
Inventory, net			86	88
Income tax receivable			0	429
Accounts payable			(306)	(11)
Other assets and liabilities			140	325
Net cash used in operating activities			(3,484)	(2,492)
Cash flows from investing activities:
Purchases of property and equipment			(264)	(16)
Net cash used in investing activities			(264)	(16)
Cash flows from financing activities:
Repayment of related party debt			(2,000)	0
Payments on lease financing	(15)	(3)	(18)	(6)
Proceeds from issuance of stock, net of offering issuance costs			0	21,828
Net cash (used in) provided by financing activities			(2,018)	21,822
Net change in cash and cash equivalents			(5,766)	19,314
Cash and cash equivalents at beginning of period			35,936	3,349
Cash and cash equivalents at end of period	30,170	22,663	30,170	22,663
Reconciliation of cash and cash equivalents and restricted cash at end of period:
Cash and cash equivalents	30,170	22,121	30,170	22,121
Restricted cash	0	542	0	542
Total	$ 30,170	$ 22,663	30,170	22,663
Supplemental disclosures of cash flow information:
Cash paid for interest			3	0
Income taxes paid			0	0
Acquisition of equipment through financing lease			$ 394	$ 0