CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020
CURRENT ASSETS
Cash	$ 36,001		$ 27,767
Accounts receivable, net	13,047		9,738
Inventory	6,821		6,114
Contract asset	18		20
Prepaid and other current assets	1,895		1,459
TOTAL CURRENT ASSETS	57,782		45,098
PROPERTY, PLANT AND EQUIPMENT, net	11,155		10,843
OPERATING LEASE RIGHT OF USE ASSET	9,073		8,353
FINANCING LEASE RIGHT OF USE ASSET, net	980		907
INVENTORY, net of current portion	957		989
OTHER ASSETS	154		110
GOODWILL	7,996		6,735
INTANGIBLE ASSETS, net	2,772		2,239
DEFERRED TAX ASSET, net	403		157
TOTAL ASSETS	91,272		75,431
CURRENT LIABILITIES
Accounts payable	3,592		2,922
Accrued liabilities	5,108		3,940
Operating lease liability	2,457		2,368
Financing lease liability	189		160
Current maturities of long-term debt	480		735
Contract liability	5,062		7,028
TOTAL CURRENT LIABILITIES	16,888		17,153
CONTRACT LIABILITY, net of current portion	408		1,461
OPERATING LEASE LIABILITY, net of current portion	6,752		6,118
FINANCING LEASE LIABILITY, net of current portion	804		741
OTHER LIABILITIES	23		45
LONG-TERM DEBT, net of current portion	3,172		3,329
TOTAL LIABILITIES	28,047		28,847
COMMITMENTS AND CONTINGENCIES
STOCKHOLDERS' EQUITY
Common stock, $0.01 par value per share; 40,000,000 shares authorized; 19,542,858 and 17,454,859 shares issued, respectively and 19,247,243 and 17,159,244 shares outstanding, respectively	197		176
Treasury stock, at cost, 295,615 shares repurchased	(1,554)		(1,554)
Additional paid-in capital	51,712		34,333
Retained earnings	12,870		13,629
TOTAL STOCKHOLDERS' EQUITY	63,225	$ 62,294	46,584	$ 31,126	$ 29,578	$ 29,578
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 91,272		$ 75,431