RESTATEMENT OF CONSOLIDATED FINANCIAL STATEMENTS - Restated Condensed Consolidated Balance Sheet (Details) - USD ($) $ / shares in Units, $ in Thousands	Dec. 31, 2018	Oct. 01, 2018	Sep. 30, 2018	Jul. 01, 2018	Jun. 30, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017
Preferred stock, par value (in dollars per share)	$ 0				$ 0	$ 0
Current assets:
Cash and cash equivalents	$ 63,193				$ 83,964	$ 15,360
Accounts receivable	10,132				15,748	14,707
Finance receivables, net	5,591				4,603	3,296
Inventory, net	7,343				8,038	12,019
Prepaid expenses and other current assets	2,871			$ 1,180	929	1,610
Total current assets	89,130				113,282	46,992
Non-current assets:
Finance receivables due after one year, net	11,910				13,246	11,728
Other assets	1,903			1,974	720	458
Property and equipment, net	9,546				11,273	12,443
Deferred income taxes						0
Intangibles, net	27,740				29,325	30,910
Goodwill	64,149				64,149	64,403
Total non-current assets	115,248				118,713	119,942
Total assets	204,378				231,995	166,934
Current liabilities:
Accounts payable	17,570				30,468	23,908
Accrued expenses	21,150				19,291	16,623
Capital lease obligations, current obligations under long-term debt, and collateralized borrowings	33,235				34,639	5,488
Income taxes payable	25				0	0
Deferred revenue	1,437	$ 1,428	$ 1,428	1,638	511	730
Deferred gain from sale-leaseback transactions						0
Total current liabilities	73,417				84,909	46,749
Long-term liabilities:
Revolving Credit Facility	10,000				10,000	10,000
Deferred income taxes	76				67	91
Capital lease obligations, long-term debt, and collateralized borrowings, less current portion	632				1,127	24,570
Accrued expenses, less current portion	101				66	65
Deferred gain from sale-leaseback transactions, less current portion						0
Total long-term liabilities	809				1,260	34,726
Total liabilities	74,226				86,169	81,475
Commitments and contingencies
Series A convertible preferred stock, 900,000 shares authorized, 445,063 issued and outstanding, with liquidation preference of $19,109 at December 31, 2017	3,138				3,138	3,138
Shareholders’ equity:
Preferred stock, no par value, 1,800,000 shares authorized, no shares issued	0				0	0
Common stock, no par value, 640,000,000 shares authorized, 53,619,898 shares issued and outstanding at December 31, 2017	376,363				375,436	310,150
Accumulated deficit	(249,349)			$ (232,372)	(232,748)	(227,829)
Total shareholders’ equity	127,014		$ 137,114		142,688	82,321	$ 62,661	$ 24,468
Total liabilities, convertible preferred stock and shareholders’ equity	$ 204,378				$ 231,995	166,934
Series A Convertible
Shareholders’ equity:
Preferred stock, no par value, 1,800,000 shares authorized, no shares issued						0
Previously Reported
Current assets:
Cash and cash equivalents						15,386
Accounts receivable						15,472
Finance receivables, net						5,517
Inventory, net						11,215
Prepaid expenses and other current assets						1,971
Total current assets						49,561
Non-current assets:
Finance receivables due after one year, net						11,215
Other assets						1,120
Property and equipment, net						12,622
Deferred income taxes						14,774
Intangibles, net						30,910
Goodwill						64,449
Total non-current assets						135,090
Total assets						184,651
Current liabilities:
Accounts payable						23,775
Accrued expenses						6,798
Capital lease obligations, current obligations under long-term debt, and collateralized borrowings						5,121
Income taxes payable						6
Deferred revenue						595
Deferred gain from sale-leaseback transactions						198
Total current liabilities						36,493
Long-term liabilities:
Revolving Credit Facility						10,000
Deferred income taxes						0
Capital lease obligations, long-term debt, and collateralized borrowings, less current portion						23,874
Accrued expenses, less current portion						65
Deferred gain from sale-leaseback transactions, less current portion						49
Total long-term liabilities						33,988
Total liabilities						70,481
Commitments and contingencies
Series A convertible preferred stock, 900,000 shares authorized, 445,063 issued and outstanding, with liquidation preference of $19,109 at December 31, 2017						0
Shareholders’ equity:
Preferred stock, no par value, 1,800,000 shares authorized, no shares issued						0
Common stock, no par value, 640,000,000 shares authorized, 53,619,898 shares issued and outstanding at December 31, 2017						307,053
Accumulated deficit						(196,021)
Total shareholders’ equity						114,170
Total liabilities, convertible preferred stock and shareholders’ equity						184,651
Previously Reported | Series A Convertible
Shareholders’ equity:
Preferred stock, no par value, 1,800,000 shares authorized, no shares issued						3,138
Restatement Adjustment
Current assets:
Cash and cash equivalents						(26)
Accounts receivable						(765)
Finance receivables, net						(2,221)
Inventory, net						804
Prepaid expenses and other current assets						(361)
Total current assets						(2,569)
Non-current assets:
Finance receivables due after one year, net						513
Other assets						(662)
Property and equipment, net						(179)
Deferred income taxes						(14,774)
Intangibles, net						0
Goodwill						(46)
Total non-current assets						(15,148)
Total assets						(17,717)
Current liabilities:
Accounts payable						133
Accrued expenses						9,825
Capital lease obligations, current obligations under long-term debt, and collateralized borrowings						367
Income taxes payable						(6)
Deferred revenue						135
Deferred gain from sale-leaseback transactions						(198)
Total current liabilities						10,256
Long-term liabilities:
Revolving Credit Facility						0
Deferred income taxes						91
Capital lease obligations, long-term debt, and collateralized borrowings, less current portion						696
Accrued expenses, less current portion						0
Deferred gain from sale-leaseback transactions, less current portion						(49)
Total long-term liabilities						738
Total liabilities						10,994
Commitments and contingencies
Series A convertible preferred stock, 900,000 shares authorized, 445,063 issued and outstanding, with liquidation preference of $19,109 at December 31, 2017						3,138
Shareholders’ equity:
Preferred stock, no par value, 1,800,000 shares authorized, no shares issued						0
Common stock, no par value, 640,000,000 shares authorized, 53,619,898 shares issued and outstanding at December 31, 2017						3,097
Accumulated deficit						(31,808)
Total shareholders’ equity						(31,849)
Total liabilities, convertible preferred stock and shareholders’ equity						(17,717)
Restatement Adjustment | Series A Convertible
Shareholders’ equity:
Preferred stock, no par value, 1,800,000 shares authorized, no shares issued						$ (3,138)