Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2015	Sep. 30, 2014
Current assets:
Cash and cash equivalents	$ 114,129	$ 20,687
Restricted cash	26	1,482
Accounts receivable, net of allowance of $442 and $116, respectively	14,083	12,769
Inventory	16,991	15,644
Deferred income taxes, net	0	3,908
Prepaid expenses and other current assets	5,808	5,336
Current assets of discontinued operations	0	44,065
Total current assets	151,037	103,891
Property, plant, and equipment, net	8,580	10,446
Other intangible assets, net	63	82
Deferred income taxes, net	0	20,172
Other non-current assets, net of allowance of $3,561 and $3,561, respectively	311	512
Non-current assets of discontinued operations	0	56,239
Total assets	159,991	191,342
Current liabilities:
Borrowings from credit facility	0	26,518
Accounts payable	6,992	6,804
Deferred gain associated with sale of assets	3,400	3,400
Warrant liability	0	122
Accrued expenses and other current liabilities	14,274	15,209
Current liabilities of discontinued operations	0	20,924
Total current liabilities	24,666	72,977
Asset retirement obligations	1,753	4,543
Other long-term liabilities	71	755
Non-current liabilities of discontinued operations	0	720
Total liabilities	$ 26,490	$ 78,995
Commitments and contingencies (Note 12)
Shareholders’ equity:
Preferred stock, $0.0001 par value, 5,882 shares authorized; none issued or outstanding	$ 0	$ 0
Common stock, no par value, 50,000 shares authorized; 32,402 shares issued and 25,532 shares outstanding as of June 30, 2015; 31,149 shares issued and 31,109 shares outstanding as of September 30, 2014	761,069	755,368
Treasury stock at cost, 6,910 shares as of June 30, 2015; and 40 shares as of September 30, 2014	(47,689)	(2,071)
Accumulated other comprehensive income	1,288	1,837
Accumulated deficit	(581,167)	(642,787)
Total shareholders’ equity	133,501	112,347
Total liabilities and shareholders’ equity	$ 159,991	$ 191,342