CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
Sep. 30, 2013	Sep. 30, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (7,703)	$ (12,029)
Adjustments to reconcile net cash used in operating activities:
Depreciation and amortization expense	11,412	12,227
Impairment charges	288
Stock-based compensation	1,438	2,079
Allowance for doubtful accounts	(274)	158
Common stock issued under defined contribution 401(k) plan	499	345
(Gain) loss on disposal of assets	(3,576)	220
Changes in operating assets and liabilities:
Accounts receivable	(1,613)	(3,318)
Inventories	(10,637)	(5,672)
Prepaid expenses and other current assets	1,228	1,078
Accounts payable	12,337	(3,175)
Accrued liabilities	1,054	(110)
Customer deposits	17,419	(13,411)
Other non-current assets and liabilities	(365)	1,319
Net cash provided by (used in) operating activities	21,507	(20,289)
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from sale of logistics business and related note receivable	250	375
Purchases of available for sale securities	(867)
Purchases of property and equipment	(5,967)	(3,300)
Proceeds from disposals of property and equipment	12,533	106
(Increase) decrease in restricted cash	(1)	546
Net cash provided by (used in) investing activities	5,948	(2,273)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments on lines of credit and notes payable	(80,233)	(24,190)
Proceeds from lines of credit and notes payable	75,208	36,908
Proceeds from sale-leaseback transactions		1,000
Payments for debt issuance costs		(630)
Principal payments on capital leases	(120)	(1,145)
Net Cash Provided by (Used in) Financing Activities	(5,145)	11,943
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	22,310	(10,619)
CASH AND CASH EQUIVALENTS, beginning of the period	516	13,340
CASH AND CASH EQUIVALENTS, end of the period	22,826	2,721
Supplemental cash flow information:
Interest paid	672	854
Income taxes paid	19	25
Non-cash investing and financing activities:
Issuance of restricted stock grants	$ 1,025	$ 1,307

Change in allowance for doubtful accounts reflected in the statement of cash flows.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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