Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
OPERATING ACTIVITIES:
Net loss	$ (213)	$ (2,464)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Non-cash stock based compensation	576	211
Gain on disposal of property and equipment	(18)
Non-cash interest and amortization of debt discount	15	105
Bad debt expense	118	97
Depreciation and amortization	1,492	1,301
Change in fair value of warrant liabilities		1,490
Excess tax benefits	67
Deferred income taxes, net	(535)	(115)
Recognition of deferred gain from sale-leaseback transactions	(43)	(215)
Changes in operating assets and liabilities:
Accounts receivable	(3,192)	(1,038)
Finance receivables	8,771	(5)
Inventory	(3,648)	(2,223)
Prepaid expenses and other current assets	(217)	(224)
Accounts payable and accrued expenses	(2,168)	(3,175)
Income taxes payable		(10)
Net cash provided by (used in) operating activities	1,005	(6,265)
INVESTING ACTIVITIES:
Purchase of property and equipment, including rentals	(992)	(810)
Proceeds from sale of property and equipment, including rentals	45
Net cash used in investing activities	(947)	(810)
FINANCING ACTIVITIES:
Cash used in retirement of common stock		(31)
Proceeds from exercise of common stock warrants		6,193
Issuance of common stock in public offering, net	39,888
Repayment of capital lease obligations and long-term debt	(821)	(161)
Net cash provided by financing activities	39,067	6,001
Net increase (decrease) in cash and cash equivalents	39,125	(1,074)
Cash and cash equivalents at beginning of period	12,745	12,745
Cash and cash equivalents at end of period	51,870	18,198
Supplemental disclosures of cash flow information:
Interest paid in cash	107	87
Supplemental disclosures of noncash financing and investing activities:
Equipment and software acquired under capital lease	$ 227	$ 254