Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Operating activities:
Net income	$ 2,061	$ 3,748
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization expense	7,121	6,045
Loss on disposal of property and equipment		2
Share-based compensation	217	232
Excess tax benefit from share-based compensation		(3)
Deferred income tax (benefit) expense	(170)	3,545
Non-cash interest expense	2	4
Changes in operating assets and liabilities
Accounts receivable, net	1,128	469
Merchandise inventory	(1,657)	(4,464)
Prepaid expenses and other assets	1,395	(141)
Accounts payable	(286)	2,184
Accrued expenses	3,927	(3,290)
Deferred compensation	116	108
Deferred rent and leasehold incentives	240	1,054
Net cash provided by operating activities	14,094	9,493
Investing activities:
Acquisition of property and equipment	(13,057)	(10,180)
Proceeds from sale of property and equipment, net of commissions of $80 and zero, respectively	2,564	12
Net cash used in investing activities	(10,493)	(10,168)
Financing activities:
Borrowings under credit facility	67,350	96,032
Repayments under credit facility	(67,701)	(96,032)
Capital and financing lease obligations payments	(113)	(91)
Excess tax benefit from share-based compensation		3
Payments on withholding tax for restricted stock unit vesting	(12)	(10)
Net cash used in financing activities	(476)	(98)
Net increase (decrease) in cash and cash equivalents	3,125	(773)
Cash and cash equivalents, beginning of period	4,017	2,915
Cash and cash equivalents, end of period	7,142	2,142
Supplemental disclosures of cash flow information:
Cash paid for interest	121	40
Cash paid for interest on capital and financing lease obligations, net of capitalized interest of $63 and $159, respectively	784	622
Income taxes paid	11	1,218
Supplemental disclosures of non-cash investing and financing activities:
Acquisition of property and equipment not yet paid	$ 7,243	$ 7,342