BASIS OF PRESENTATION - Condensed Consolidated Statement of Cash Flows (Details) - USD ($) $ in Thousands		3 Months Ended
	Aug. 30, 2021	Sep. 30, 2021	Sep. 30, 2020
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss		$ (1,341)	$ (293)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization		582	423
Bad debt expense		25	65
Inventory write-off		0	10
Loss on disposal of property, plant and equipment		0	1
Stock-based compensation expense		280	162
Income associated with derivative instrument		(7)	(5)
Deferred tax benefit		(427)	(103)
Changes in operating assets and liabilities:
Accounts receivable		(134)	1,095
Inventory		(1,151)	182
Prepaid and other assets		(305)	296
Accounts payable and accrued liabilities		606	(311)
Contract asset and contract liability		(1,179)	239
NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES		(3,051)	1,761
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property, plant and equipment		(47)	(925)
Additions to intangible assets		(18)	(48)
NET CASH USED IN INVESTING ACTIVITIES		(65)	(973)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from exercise of stock options		0	225
Proceeds from issuance of common stock, net	$ 16,800	16,771	0
Proceeds from long-term debt		0	508
Repayments of long-term debt		(206)	(152)
Payments on financing lease liabilities		(54)	0
NET CASH PROVIDED BY FINANCING ACTIVITIES		16,511	581
NET INCREASE IN CASH		13,395	1,369
CASH, beginning of period		27,767	5,416
CASH, end of period		41,162	6,785
SUPPLEMENTAL CASH FLOW DISCLOSURES:
Income taxes paid, net of refunds		170	(283)
Interest paid on long-term debt		58	23
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Property, plant and equipment financed through accounts payable		20	$ 85
As Previously Reported
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss		(790)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization		582
Bad debt expense		25
Inventory write-off		0
Loss on disposal of property, plant and equipment		0
Stock-based compensation expense		280
Income associated with derivative instrument		(7)
Deferred tax benefit		(256)
Changes in operating assets and liabilities:
Accounts receivable		(134)
Inventory		(1,151)
Prepaid and other assets		(305)
Accounts payable and accrued liabilities		(116)
Contract asset and contract liability		(1,179)
NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES		(3,051)
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property, plant and equipment		(47)
Additions to intangible assets		(18)
NET CASH USED IN INVESTING ACTIVITIES		(65)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from exercise of stock options		0
Proceeds from issuance of common stock, net		16,771
Proceeds from long-term debt		0
Repayments of long-term debt		(206)
Payments on financing lease liabilities		(54)
NET CASH PROVIDED BY FINANCING ACTIVITIES		16,511
NET INCREASE IN CASH		13,395
CASH, beginning of period		27,767
CASH, end of period		41,162
SUPPLEMENTAL CASH FLOW DISCLOSURES:
Income taxes paid, net of refunds		170
Interest paid on long-term debt		58
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Property, plant and equipment financed through accounts payable		20
Restatement Adjustment
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss		(551)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization		0
Bad debt expense		0
Inventory write-off		0
Loss on disposal of property, plant and equipment		0
Stock-based compensation expense		0
Income associated with derivative instrument		0
Deferred tax benefit		(171)
Changes in operating assets and liabilities:
Accounts receivable		0
Inventory		0
Prepaid and other assets		0
Accounts payable and accrued liabilities		722
Contract asset and contract liability		0
NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES		0
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property, plant and equipment		0
Additions to intangible assets		0
NET CASH USED IN INVESTING ACTIVITIES		0
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from exercise of stock options		0
Proceeds from issuance of common stock, net		0
Proceeds from long-term debt		0
Repayments of long-term debt		0
Payments on financing lease liabilities		0
NET CASH PROVIDED BY FINANCING ACTIVITIES		0
NET INCREASE IN CASH		0
CASH, beginning of period		0
CASH, end of period		0
SUPPLEMENTAL CASH FLOW DISCLOSURES:
Income taxes paid, net of refunds		0
Interest paid on long-term debt		0
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Property, plant and equipment financed through accounts payable		$ 0