Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	6 Months Ended
	Jul. 31, 2011	Jul. 31, 2010
Cash flows from operating activities:
Net income (loss)	$ (3,642)	$ 936
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Rental asset depreciation expense	5,923	5,697
Purchases of rental assets	(12,163)	(12,129)
Property, equipment and improvements depreciation expense	8,674	8,624
Deferred income taxes	1,025	(709)
Loss on rental assets lost, stolen and defective	872	981
Loss on disposal or impairment of property and equipment, excluding rental assets	59	26
Non-cash stock-based compensation	639	337
Changes in operating assets and liabilities:
Merchandise inventories	(5,988)	34
Prepaid expenses and other current assets	(1,014)	(528)
Trade accounts payable	1,750	2,163
Accrued expenses and other current liabilities	(685)	(2,266)
Excess tax benefit from stock-based compensation	(15)	(37)
Other assets and liabilities, net	377	(52)
Net cash provided by (used in) operating activities	(4,188)	3,077
Cash flows from investing activities:
Purchases of property, equipment and improvements	(8,239)	(5,483)
Net cash used in investing activities	(8,239)	(5,483)
Cash flows from financing activities:
Borrowings under revolving credit facility	265,053	263,344
Repayments under revolving credit facility	(250,864)	(257,644)
Purchase of treasury stock	(979)	(4,401)
Change in cash overdraft	385	(995)
Deferred financing costs paid	(68)	(549)
Proceeds from exercise of stock options	13	178
Excess tax benefit from stock-based compensation	15	37
Net cash provided by (used in) financing activities	13,555	(30)
Net increase (decrease) in cash and cash equivalents	1,128	(2,436)
Cash and cash equivalents at beginning of period	6,149	8,863
Cash and cash equivalents at end of period	$ 7,277	$ 6,427