CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES
Net income (loss)	$ (759)	$ 935
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	1,166	923
Bad debt expense	44	100
Inventory write-off	1	24
Loss on disposal of property, plant and equipment	0	1
Stock-based compensation expense	629	302
Income associated with derivative instrument	(34)	(15)
Deferred tax expense (benefit)	(246)	244
Changes in operating assets and liabilities:
Accounts receivable	(3,288)	(1,597)
Inventory	(676)	355
Prepaid and other assets	(480)	488
Accounts payable and accrued liabilities	1,649	160
Contract asset and contract liability	(3,017)	1,050
NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES	(5,011)	2,970
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property, plant and equipment	(761)	(2,023)
Payments for business acquisition, net of cash acquired	(2,181)	0
Additions to intangible assets	(74)	(62)
NET CASH USED IN INVESTING ACTIVITIES	(3,016)	(2,085)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from exercise of stock options	0	311
Proceeds from issuance of common stock, net	16,771	0
Proceeds from long-term debt	0	961
Repayments of long-term debt	(412)	(347)
Payments on financing lease liabilities	(98)	0
NET CASH PROVIDED BY FINANCING ACTIVITIES	16,261	925
NET INCREASE IN CASH	8,234	1,810
CASH, beginning of period	27,767	5,416
CASH, end of period	36,001	7,226
SUPPLEMENTAL CASH FLOW DISCLOSURES:
Income taxes paid, net of refunds	177	(261)
Interest paid on long-term debt	116	80
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Property, plant and equipment financed through accounts payable	$ (143)	$ (263)