CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock	Additional Paid-in Capital	Retained Earnings
Balance at beginning (in shares) at Jun. 30, 2020		16,667,572	295,615
Balances at beginning at Jun. 30, 2020	$ 29,578	$ 168	$ (1,554)	$ 30,203	$ 761
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options (in shares)	141,281	141,281
Exercise of stock options	$ 625	$ 2		623
Stock-based compensation	832			832
Issuance of restricted stock (in shares)		73,180
Issuance of restricted stock	0	$ 1		(1)
Net income (loss)	7,785				7,785
Balance at end (in shares) at Mar. 31, 2021		16,882,033	295,615
Balances at end at Mar. 31, 2021	38,820	$ 171	$ (1,554)	31,657	8,546
Balance at beginning (in shares) at Dec. 31, 2020		16,799,702	295,615
Balances at beginning at Dec. 31, 2020	$ 31,126	$ 170	$ (1,554)	30,814	1,696
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options (in shares)	72,750	72,750
Exercise of stock options	$ 314	$ 1		313
Stock-based compensation	530			530
Issuance of restricted stock (in shares)		9,581
Net income (loss)	6,850				6,850
Balance at end (in shares) at Mar. 31, 2021		16,882,033	295,615
Balances at end at Mar. 31, 2021	38,820	$ 171	$ (1,554)	31,657	8,546
Balance at beginning (in shares) at Jun. 30, 2021		17,454,859	295,615
Balances at beginning at Jun. 30, 2021	$ 46,584	$ 176	$ (1,554)	34,333	13,629
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options (in shares)	0
Exercise of stock options	$ 0
Issuance of common stock pursuant to secondary offering, net (in shares)		2,070,000
Issuance of common stock pursuant to secondary offering, net	16,771	$ 21		16,750
Issuance of stock, acquisition (in shares)		164,821
Issuance of stock, acquisition	1,088	$ 2		1,086
Stock-based compensation	1,017			1,017
Issuance of restricted stock (in shares)		35,998
Net income (loss)	(1,046)				(1,046)
Balance at end (in shares) at Mar. 31, 2022		19,725,678	295,615
Balances at end at Mar. 31, 2022	64,414	$ 199	$ (1,554)	53,186	12,583
Balance at beginning (in shares) at Dec. 31, 2021		19,542,858	295,615
Balances at beginning at Dec. 31, 2021	$ 63,225	$ 197	$ (1,554)	51,712	12,870
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options (in shares)	0
Exercise of stock options	$ 0
Issuance of stock, acquisition (in shares)		164,821
Issuance of stock, acquisition	1,088	$ 2		1,086
Stock-based compensation	388			388
Issuance of restricted stock (in shares)		17,999
Net income (loss)	(287)				(287)
Balance at end (in shares) at Mar. 31, 2022		19,725,678	295,615
Balances at end at Mar. 31, 2022	$ 64,414	$ 199	$ (1,554)	$ 53,186	$ 12,583