CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 3,260	$ 1,453
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	309	472
Amortization of loan fees	5
Gain on disposal of equipment	(7)	(16)
Gain on sale of investments	(356)
Share-based compensation	28	191
Impairment of goodwill and long-lived assets		230
Deferred income taxes	1,026	224
Bad debt recovery	(14)
Changes in operating assets and liabilities:
Accounts receivable	(773)	103
Deferred costs	(235)	12
Assets held for sale		(84)
Inventory	(412)	(298)
Prepaid expenses and other assets	(410)	21
Accounts payable, accrued expenses and deferred rent	353	(576)
Deferred revenue	169	57
Income taxes payable	142
Net cash provided by operating activities	3,085	1,789
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of investments	(2,562)	(806)
Purchases of equipment and leasehold improvements	(1,048)	(820)
Proceeds from dividend reclassified as return of principal	23
Increase in notes receivable		(1,500)
Proceeds from collection of notes receivable	1,154
Proceeds from sale of investments	1,905
Proceeds from sale of equipment	7	30
Increase in intangibles	(11)	(11)
Net cash used in investing activities	(532)	(3,107)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repurchases of common stock	(2,675)	(18)
Proceeds from shares issued under ATM, net of commissions and fees		2,262
Proceeds from exercise of options and ESPP contributions	29	38
Borrowings from Minnesota Bank & Trust, net of loan origination fees	4,940
Payments of employee payroll taxes on net issuance of common stock	(101)
Principal payments on notes payable and capital lease	(273)	(70)
Net cash provided by financing activities	1,920	2,212
Net increase in cash and cash equivalents	4,473	894
Cash and cash equivalents, beginning of period	5,188	4,205
Cash and cash equivalents, end of period	9,661	5,099
Noncash investing and financing activity:
Value of shares issued to employees under performance awards	266
Cash paid during the period for:
Interest	134	6
Income taxes	$ 315	$ 287