CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
CURRENT ASSETS:
Cash and cash equivalents	$ 537	$ 516
Restricted cash	331	330
Accounts receivable, net of allowance for doubtful accounts of $298 and $453 as of March 31, 2013 and December 31, 2012, respectively	26,508	20,039
Inventories, net	30,052	21,988
Prepaid expenses and other current assets	4,184	3,836
Assets held for sale	8,039	8,042
Total current assets	69,651	54,751
Property and equipment, net	77,985	79,889
Intangible assets, net	6,790	7,454
Other assets	751	816
TOTAL ASSETS	155,177	142,910
CURRENT LIABILITIES:
Lines of credit and notes payable	6,172	955
Current maturities of long-term debt	330	352
Current portions of capital lease obligations	1,749	2,217
Accounts payable	24,880	16,377
Accrued liabilities	5,815	6,012
Customer deposits	8,212	4,063
Liabilities held for sale	3,609	3,860
Total current liabilities	50,767	33,836
LONG-TERM LIABILITIES:
Long-term debt, net of current maturities	2,816	2,956
Long-term capital lease obligations, net of current portions	539	641
Other	2,240	2,169
Total long-term liabilities	5,595	5,766
COMMITMENTS AND CONTINGENCIES
STOCKHOLDERS' EQUITY:
Preferred stock, $0.001 par value; 10,000,000 shares authorized; no shares issued or outstanding
Common stock, $0.001 par value; 30,000,000 shares authorized; 14,357,053 and 14,197,792 shares issued and outstanding as of March 31, 2013 and December 31, 2012, respectively	14	14
Additional paid-in capital	374,171	373,605
Accumulated deficit	(275,370)	(270,311)
Total stockholders' equity	98,815	103,308
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 155,177	$ 142,910