Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended				6 Months Ended		36 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Dec. 31, 2018	Sep. 30, 2018	Dec. 31, 2019	Dec. 31, 2018	Jun. 30, 2019
OPERATING ACTIVITIES:
Net loss	$ (8,378)	$ (11,508)	$ (10,438)	$ (5,288)	$ (19,886)	$ (15,726)	$ (48,600)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Non-cash stock based compensation					2,032	972
Loss (gain) on disposal of property and equipment					41	(29)
Non-cash interest and amortization of debt discount					732	45
Bad debt expense					862	1,308
Provision for inventory reserve					(514)	1,211
Depreciation and amortization					3,493	3,972
Non-cash lease expense					1,021	0
Deferred income taxes					10	9
Changes in operating assets and liabilities:
Accounts receivable					2,133	4,332
Finance receivables, net					(990)	(109)
Inventory, net					465	284
Prepaid expenses and other assets					(411)	(1,588)
Accounts payable and accrued expenses					1,999	(11,095)
Operating lease liabilities					(776)	0
Deferred revenue					(52)	(201)
Income taxes payable					4	25
Net cash used in operating activities					(9,837)	(16,590)
INVESTING ACTIVITIES:
Purchase of property and equipment, including rentals					(1,361)	(2,324)
Proceeds from sale of property and equipment, including rentals					31	82
Net cash used in investing activities					(1,330)	(2,242)
FINANCING ACTIVITIES:
Proceeds from long-term debt and equity issuance by Antara					34,950	0
Repayment of revolving credit facility					(10,000)	0
Repayment of capital lease obligations and long-term debt					(2,109)	(1,928)
Payment of debt and equity issuance costs					(1,633)	(53)
Proceeds from exercise of common stock options					0	42
Net cash provided by (used in) financing activities					21,208	(1,939)
Net (decrease) increase in cash and cash equivalents					10,041	(20,771)
Cash and cash equivalents at beginning of year		$ 27,464		$ 83,964	27,464	83,964
Cash and cash equivalents at end of period	$ 37,505		$ 63,193		37,505	63,193	$ 27,464
Supplemental disclosures of cash flow information:
Debt and equity issuance costs incurred but not yet paid related to Antara issuance					(3,170)	0
Interest paid in cash					565	1,503
Income taxes paid in cash					$ 33	$ 12