CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 7,785	$ 100
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,445	1,191
Bad debt expense	141	91
Inventory write-off	76	13
Loss on disposal of property, plant and equipment	1	6
Stock-based compensation expense	832	372
Income on derivative instrument	(41)	0
Deferred tax expense	1,284	211
Changes in operating assets and liabilities:
Accounts receivable	(11,767)	(367)
Inventory	1,260	(1,034)
Prepaid and other assets	885	(700)
Accounts payable and accrued liabilities	846	692
Contract asset and contract liability	4,721	947
NET CASH PROVIDED BY OPERATING ACTIVITIES	7,468	1,522
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property, plant and equipment	(2,566)	(2,500)
Proceeds from sale of property, plant and equipment	0	3
Additions to intangible assets	(79)	(121)
NET CASH USED IN INVESTING ACTIVITIES	(2,645)	(2,618)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from exercise of stock options	625	576
Proceeds from long-term debt	961	1,343
Repayments of long-term debt	(545)	(387)
Payments on financing lease liabilities	(64)	0
Payments of debt issuance costs	0	(50)
NET CASH PROVIDED BY FINANCING ACTIVITIES	977	1,482
NET INCREASE IN CASH	5,800	386
CASH, beginning of period	5,416	4,512
CASH, end of period	11,216	4,898
SUPPLEMENTAL CASH FLOW DISCLOSURES:
Income taxes paid, net of refunds	(210)	90
Interest paid on long-term debt	120	32
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Property, plant and equipment financed through accounts payable	(295)	46
Purchase of previously leased property, plant and equipment financed with note payable	$ 873	$ 0