Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2019	Jul. 01, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016
Current assets:
Cash and cash equivalents	$ 27,464		$ 83,964	$ 17,055	$ 15,360	$ 51,870	$ 12,745	$ 17,780	$ 18,034	$ 18,198
Accounts receivable, less allowance of $4,866 and $2,754, respectively	21,712		15,748	19,443	14,707	9,815	6,834	6,662	6,892	5,607
Finance receivables, net	6,260		4,603	2,234	3,296	1,441	9,743	2,149	1,442	3,349
Inventory, net	10,908		8,038	11,923	12,019	8,876	5,192	3,677	4,438	3,926
Prepaid expenses and other current assets	1,558	$ 1,180	929	1,278	1,610	1,056	879	1,594	1,677	1,352
Total current assets	67,902		113,282	51,933	46,992	73,058	35,393	31,862	32,483	32,432
Non-current assets:
Finance receivables due after one year, net	11,596		13,246	9,870	11,728	7,742	8,607	7,548	3,956	3,962
Other assets	2,099	1,974	720	414	458	289	319	231	144	163
Property and equipment, net	9,180		11,273	12,243	12,443	10,701	11,111	11,341	11,994	12,436
Intangibles, net	26,171		29,325	30,119	30,910	578	622	666	711	754
Goodwill	64,149		64,149	64,149	64,403	11,492	11,492	11,492	11,492	11,703
Total non-current assets	113,195		118,713	116,795	119,942	30,802	32,151	31,278	28,297	29,018
Total assets	181,097		231,995	168,728	166,934	103,860	67,544	63,140	60,780	61,450
Current liabilities:
Accounts payable	27,511		30,468	29,574	23,908	14,506	16,345	11,819	9,109	8,710
Accrued expenses	23,258		19,291	18,508	16,623	12,217	11,873	8,792	7,541	8,135
Capital lease obligations and current obligations under long-term debt	12,497		34,639	4,470	5,488	2,628	3,198	3,785	4,331	4,952
Income taxes payable	254		0		0	0	10	23	21	15
Deferred revenue	1,539	1,638	511	511	730	439	268	310	478	94
Total current liabilities	65,059		84,909	53,063	46,749	36,841	38,730	31,763	28,571	29,177
Long-term liabilities:
Deferred income taxes	71		67	96	91	109	94	78	63	47
Capital lease obligations and long-term debt, less current portion	276		1,127	22,895	24,570	1,049	1,061	1,239	1,394	1,517
Accrued expenses, less current portion	100		66	66	65	62	53	52	52	11
Total long-term liabilities	447		1,260	33,057	34,726	1,220	1,208	1,369	1,509	1,575
Total liabilities	65,506		86,169	86,120	81,475	38,061	39,938	33,132	30,080	30,752
Commitments and contingencies
Series A convertible preferred stock, 900,000 shares authorized, 445,063 issued and outstanding, with liquidation preferences of $20,111 and $19,443 at June 30, 2019 and 2018, respectively	3,138		3,138	3,138	3,138	3,138	3,138	3,138	3,138	3,138
Convertible Preferred Stock and Shareholders' Equity:
Preferred stock	0		0	0	0	0	0	0	0	0
Common stock, no par value, 640,000,000 shares authorized, 60,008,481 and 59,998,811 shares issued and outstanding at June 30, 2019 and 2018, respectively	376,853		375,436	310,522	310,150	286,296	245,999	245,463	245,230	244,996
Accumulated deficit	(264,400)	$ (232,372)	(232,748)	(231,052)	(227,829)	(223,635)	(221,531)	(218,593)	(217,668)	(217,436)
Total shareholders’ equity	112,453		142,688	79,470	82,321	62,661	24,468	26,870	27,562	27,560	$ 19,328
Total liabilities, convertible preferred stock and shareholders’ equity	$ 181,097		$ 231,995	$ 168,728	$ 166,934	$ 103,860	$ 67,544	$ 63,140	$ 60,780	$ 61,450