Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
OPERATING ACTIVITIES:
Net loss	$ (32,028)	$ (11,284)	$ (7,465)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Non-cash stock-based compensation	1,750	1,794	1,214
(Gain) loss on disposal of property and equipment	672	(131)	(177)
Non-cash interest and amortization of debt discount	301	140	113
Bad debt expense	2,534	471	557
Provision for inventory reserve	3,172	1,467	877
Depreciation and amortization	8,009	7,829	5,956
Change in fair value of warrant liabilities	0	0	1,490
Excess tax benefits	0	67	0
Deferred income taxes, net	(7)	(183)	62
Changes in operating assets and liabilities:
Accounts receivable	(8,488)	(6,234)	(2,538)
Finance receivables, net	(8)	2,228	(10,832)
Sale of finance receivables	0	2,280	0
Inventory, net	(5,242)	(3,661)	(4,463)
Prepaid expenses and other current assets	(395)	377	153
Accounts payable and accrued expenses	873	16,933	8,874
Deferred revenue	(98)	351	115
Income taxes payable	254	(13)	(8)
Net cash (used in) provided by operating activities	(28,701)	12,431	(6,072)
INVESTING ACTIVITIES:
Purchase of property and equipment, including rentals	(4,346)	(3,978)	(3,787)
Proceeds from sale of property and equipment	116	298	348
Cash paid for acquisitions, net of cash acquired	0	(65,181)	0
Net cash used in investing activities	(4,230)	(68,861)	(3,439)
FINANCING ACTIVITIES:
Proceeds from collateralized borrowing from the transfer of finance receivables	0	1,075	0
Cash used in retirement of common stock	(81)	(552)	(31)
Proceeds from exercise of common stock options	42	141	0
Proceeds from exercise of common stock warrants	0	0	6,193
Cash used for repurchase of common stock awards	(120)	0	0
Payment of debt issuance costs	(156)	(445)	(90)
Proceeds from issuance of long-term debt	0	25,100	0
Proceeds from revolving credit facility	0	12,500	0
Repayment of revolving credit facility	0	(2,500)	0
Issuance of common stock in public offering, net	0	104,796	0
Repayment of line of credit	0	(7,111)	(106)
Repayment of capital lease obligations and long-term debt	(23,254)	(5,355)	(2,982)
Net cash (used in) provided by financing activities	(23,569)	127,649	2,984
Net (decrease) increase in cash and cash equivalents	(56,500)	71,219	(6,527)
Cash and cash equivalents at beginning of year	83,964	12,745	19,272
Cash and cash equivalents at end of year	27,464	83,964	12,745
Supplemental disclosures of cash flow information:
Interest paid in cash	2,793	2,878	2,050
Income taxes paid in cash	50	17	39
Supplemental disclosures of noncash financing and investing activities:
Equity issued in connection with Cantaloupe acquisition, net of post-working capital adjustment for retired shares	0	23,279	0
Settlement of collateralized borrowing from the sale of finance receivables	0	987	0
Reclass of rental program property to inventory, net	32	54	156
Prepaid items financed with debt	0	0	54
Equipment and software acquired under capital lease	$ 5	$ 217	$ 332