CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2020	Sep. 30, 2020	Dec. 31, 2019
Assets
Cash and cash equivalents	$ 44,212	$ 76,803	$ 70,533
Restricted cash	15,031	12,116	14,930
Held-to-maturity investments	27,878	38,055
Receivables, net	24,115	35,411
Notes receivable, current portion	5,446	5,184
Prepaid expenses	6,894	6,121
Other current assets	6,985	6,489
Total current assets	130,561	180,179
Property and equipment, net	116,637	72,743
Goodwill	8,222	8,222
Notes receivable, less current portion	29,875	27,609
Right-of-use assets for operating leases	140,296	144,663
Other assets	8,996	8,565
Total assets	434,587	441,981
Liabilities and Shareholders’ Equity
Accounts payable and accrued expenses	43,221	51,891
Dividends payable	1,313	0	1,323
Deferred revenue	42,616	40,694
Accrued tool sets	3,052	3,148
Operating lease liability, current portion	20,357	23,666
Other current liabilities	1,927	2,241
Total current liabilities	112,486	121,640
Deferred tax liabilities, net	674	674
Operating lease liability	132,175	134,089
Other liabilities	10,946	9,056
Total liabilities	256,281	265,459
Commitments and contingencies
Shareholders’ equity:
Common stock, $0.0001 par value, 100,000 shares authorized, 32,767 and 32,730 shares issued	3	3
Preferred stock, $0.0001 par value, 10,000 shares authorized; 700 shares of Series A Convertible Preferred Stock issued and outstanding, liquidation preference of $100 per share	0	0
Paid-in capital - common	141,372	141,002
Paid-in capital - preferred	68,853	68,853
Treasury stock, at cost, 82 shares as of December 31, 2020 and September 30, 2020	(365)	(365)
Retained deficit	(31,557)	(32,971)
Total shareholders’ equity	178,306	176,522	$ 126,273
Total liabilities and shareholders’ equity	$ 434,587	$ 441,981

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

Name:	us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.