RESTATEMENT OF CONSOLIDATED FINANCIAL STATEMENTS - Restated Condensed Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Jan. 01, 2019	Dec. 31, 2018	Sep. 30, 2018	Jul. 01, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017
Current assets:
Cash and cash equivalents	$ 32,788					$ 83,964	$ 17,055
Accounts receivable	20,492					15,748	19,443
Finance receivables, net	6,119					4,603	2,234
Inventory, net	11,488					8,038	11,923
Prepaid expenses and other current assets	2,878				$ 1,180	929	1,278
Total current assets	73,765					113,282	51,933
Non-current assets:
Finance receivables due after one year, net	11,362					13,246	9,870
Other assets	1,922				1,974	720	414
Property and equipment, net	9,116					11,273	12,243
Deferred income taxes							0
Intangibles, net	26,956					29,325	30,119
Goodwill	64,149					64,149	64,149
Total non-current assets	113,505					118,713	116,795
Total assets	187,270					231,995	168,728
Current liabilities:
Accounts payable	26,058					30,468	29,574
Accrued expenses	19,974					19,291	18,508
Capital lease obligations and current obligations under long-term debt	13,202					34,639	4,470
Income taxes payable	42					0	0
Deferred revenue	1,322	$ 1,437			1,638	511	511
Deferred gain from sale-leaseback transactions							0
Total current liabilities	60,598					84,909	53,063
Long-term liabilities:
Revolving credit facility							10,000
Deferred income taxes	81					67	96
Debt and other financing arrangements, noncurrent	512					1,127	22,895
Accrued expenses, less current portion	100					66	66
Total long-term liabilities	693					1,260	33,057
Total liabilities	61,291					86,169	86,120
Commitments and Contingencies
Series A convertible preferred stock, 900,000 shares authorized, 445,063 issued and outstanding, with liquidation preference of $19,443 at March 31, 2018	3,138					3,138	3,138
Shareholders’ equity:
Preferred stock, no par value	0					0	0
Common stock, no par value, 640,000,000 shares authorized, 53,666,718 shares issued and outstanding at March 31, 2018	376,700					375,436	310,522
Accumulated deficit	(253,859)				$ (232,372)	(232,748)	(231,052)
Total shareholders’ equity	122,841		$ 127,014	$ 137,114		142,688	79,470	$ 82,321	$ 62,661	$ 24,468
Total liabilities, convertible preferred stock and shareholders’ equity	$ 187,270					$ 231,995	168,728
As Previously Reported
Current assets:
Cash and cash equivalents							17,107
Accounts receivable							23,166
Finance receivables, net							3,904
Inventory, net							11,030
Prepaid expenses and other current assets							1,869
Total current assets							57,076
Non-current assets:
Finance receivables due after one year, net							9,679
Other assets							1,214
Property and equipment, net							12,198
Deferred income taxes							16,911
Intangibles, net							30,119
Goodwill							64,196
Total non-current assets							134,317
Total assets							191,393
Current liabilities:
Accounts payable							29,446
Accrued expenses							7,961
Capital lease obligations and current obligations under long-term debt							4,475
Income taxes payable							0
Deferred revenue							441
Deferred gain from sale-leaseback transactions							198
Total current liabilities							42,521
Long-term liabilities:
Revolving credit facility							10,000
Deferred income taxes							0
Debt and other financing arrangements, noncurrent							22,895
Accrued expenses, less current portion							66
Total long-term liabilities							32,961
Total liabilities							75,482
Commitments and Contingencies
Series A convertible preferred stock, 900,000 shares authorized, 445,063 issued and outstanding, with liquidation preference of $19,443 at March 31, 2018							0
Shareholders’ equity:
Preferred stock, no par value							0
Common stock, no par value, 640,000,000 shares authorized, 53,666,718 shares issued and outstanding at March 31, 2018							307,634
Accumulated deficit							(194,861)
Total shareholders’ equity							115,911
Total liabilities, convertible preferred stock and shareholders’ equity							191,393
Adjustment
Current assets:
Cash and cash equivalents							(52)
Accounts receivable							(3,723)
Finance receivables, net							(1,670)
Inventory, net							893
Prepaid expenses and other current assets							(591)
Total current assets							(5,143)
Non-current assets:
Finance receivables due after one year, net							191
Other assets							(800)
Property and equipment, net							45
Deferred income taxes							(16,911)
Intangibles, net							0
Goodwill							(47)
Total non-current assets							(17,522)
Total assets							(22,665)
Current liabilities:
Accounts payable							128
Accrued expenses							10,547
Capital lease obligations and current obligations under long-term debt							(5)
Income taxes payable							0
Deferred revenue							70
Deferred gain from sale-leaseback transactions							(198)
Total current liabilities							10,542
Long-term liabilities:
Revolving credit facility							0
Deferred income taxes							96
Debt and other financing arrangements, noncurrent							0
Accrued expenses, less current portion							0
Total long-term liabilities							96
Total liabilities							10,638
Commitments and Contingencies
Series A convertible preferred stock, 900,000 shares authorized, 445,063 issued and outstanding, with liquidation preference of $19,443 at March 31, 2018							3,138
Shareholders’ equity:
Preferred stock, no par value							0
Common stock, no par value, 640,000,000 shares authorized, 53,666,718 shares issued and outstanding at March 31, 2018							2,888
Accumulated deficit							(36,191)
Total shareholders’ equity							(36,441)
Total liabilities, convertible preferred stock and shareholders’ equity							(22,665)
Convertible Preferred Stock
Shareholders’ equity:
Preferred stock, no par value							0
Convertible Preferred Stock | As Previously Reported
Shareholders’ equity:
Preferred stock, no par value							3,138
Convertible Preferred Stock | Adjustment
Shareholders’ equity:
Preferred stock, no par value							$ (3,138)