CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended				9 Months Ended		12 Months Ended
	Jun. 30, 2021	Dec. 31, 2020	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2021	Jun. 30, 2020	Sep. 30, 2020
Cash Flows From Operating Activities:
Net income (loss)	$ 870	$ 255	$ (1,297)	$ (120)	$ 1,721	$ (2,354)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
(Recovery of) provision for uncollectible accounts					(22)	137
Depreciation					265	198
Deferred income tax provision					488	360
Amortization of intangible assets	288		243		832	729
Amortization of acquired inventory valuation					732	597
Amortization of loan costs					7	7
Stock-based compensation					85	217
Gain on Paycheck Protection Program loan forgiveness	0		0		(135)	0
Changes in fair value of mandatorily redeemable noncontrolling interest					86	0
Changes in operating assets and liabilities, net of effects of acquisitions:
Accounts receivable					(6,558)	8,738
Inventory					(319)	(182)
Prepaid expenses and other current assets					(205)	177
Security deposits and other long-term assets					6	(51)
Accounts payable and accrued expenses					3,144	(7,317)
Other liabilities					12	7
Net cash provided by operating activities					139	1,263
Cash Flows From Investing Activities:
Acquisition of property and equipment, net of disposals					(127)	(288)
Acquisitions, net of cash acquired					(2,874)	(115)
Net cash used in investing activities					(3,001)	(403)
Cash Flows From Financing Activities:
Repayments of term loan					(1,333)	(519)
Proceeds from stock option exercise					46	31
Line of credit, proceeds, net					4,539	(2,472)
Proceeds from PPP loan					0	2,727
Repayment of subordinated promissory notes					(813)	(111)
Net cash provided by (used in) in financing activities					2,439	(344)
Net (decrease) increase in cash					(423)	516
Cash at beginning of the period		$ 3,349		$ 2,163	3,349	2,163	$ 2,163
Cash at end of period	2,926		2,679		2,926	2,679	$ 3,349
Cash paid during the period for:
Interest					361	420
Income taxes					38	7
Non-cash operating activities:
Gain on Paycheck Protection Program loan forgiveness	$ 0		$ 0		135	0
Non-cash investing activities:
Due to seller 338 election					30	0
Subordinated promissory notes of ICT					1,760	0
Non-cash financing activities:
Dividends declared to preferred stockholders					566	500
Vested restricted stock unissued					$ 0	$ 30