Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Operating activities:
Net income	$ 10,552	$ 7,477	$ 4,610
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	13,496	9,949	7,691
Loss (gain) on disposal of property and equipment	43	301	(25)
Share-based compensation (excluding cash portion of restricted stock award paid of $0, $335 and $0, respectively)	602	780
Excess tax benefit from share-based compensation	(592)	(620)
Deferred income tax expense	2,452	2,673	3,938
Non-cash interest expense	47	38	50
Interest accrued on investments and amortization of premium	27	(4)
Other amortization	26	68	68
(Increase) decrease in:
Accounts receivable, net	(546)	283	56
Income tax receivable	(601)	1,489	(712)
Merchandise inventory	(7,928)	(7,724)	(4,256)
Prepaid expenses and other assets	105	(170)	76
Increase in:
Accounts payable	4,480	6,860	2,108
Accrued expenses	2,283	2,561	849
Deferred rent and leasehold incentives	1,271	1,241	2,289
Net cash provided by operating activities	25,717	25,202	16,742
Investing activities:
Acquisition of property and equipment	(39,708)	(25,259)	(20,446)
Proceeds from sale of property and equipment	5,005	608	35
Purchase of available-for-sale securities	(521)	(1,751)
Proceeds from sale of available-for-sale securities	90	0
Proceeds from maturity of available-for-sale securities	1,010	0
Increase in restricted cash	(500)
Payments received on notes receivable, related party		270
Payments received for premiums paid on split-dollar life insurance		660
Notes receivable, related party-insurance premiums		(4)	(36)
Increase in split-dollar life insurance premiums		(82)	(65)
Net cash used in investing activities	(34,624)	(25,558)	(20,512)
Financing activities:
Borrowings under credit facility	81		5,847
Repayments under credit facility	(81)	(27,236)	(500)
Repayments under notes payable			(120)
Repayments under notes payable, related party	(282)	(924)	(533)
Capital and financing lease obligations payments	(121)
Distributions to noncontrolling interests		(810)	(990)
Purchase of remaining 45% noncontrolling interest in BVC		(10,051)
Proceeds from common stock issued in initial public offering, net of commissions		58,135
Excess tax benefit from share-based compensation	592	620
Equity issuance costs and BVC transaction costs	(268)	(2,460)
Payments on withholding tax for restricted stock unit vesting	(155)
Loan fees paid	(18)	(5)	(2)
Net cash (used in) provided by financing activities	(252)	17,269	3,702
Net (decrease) increase in cash and cash equivalents	(9,159)	16,913	(68)
Cash and cash equivalents, beginning of year	17,291	378	446
Cash and cash equivalents, end of year	8,132	17,291	378
Supplemental disclosures of cash flow information:
Cash paid for interest, net of capitalized interest of $0, $25 and $21, respectively	7	524	615
Cash paid for interest on capital and financing lease obligations	2,036	39
Income taxes paid	3,916	519	12
Supplemental disclosures of non-cash investing and financing activities:
Acquisition of property and equipment not yet paid	3,545	5,007	2,055
Property acquired through capital and financing lease obligations	14,372	5,526
Equity issuance costs not yet paid		256
Tax benefit associated with acquisition of noncontrolling interest in BVC		$ 3,592