CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
CURRENT ASSETS:
Cash and cash equivalents	$ 22,826	$ 516
Short-term investments	867	0
Restricted cash	331	330
Accounts receivable, net of allowance for doubtful accounts of $179 and $453 as of September 30, 2013 and December 31, 2012, respectively	21,927	20,039
Inventories, net	32,625	21,988
Prepaid expenses and other current assets	2,532	3,836
Assets held for sale	2,152	8,042
Total current assets	83,260	54,751
Property and equipment, net	72,761	79,889
Intangible assets, net	6,014	7,454
Other assets	2,194	816
TOTAL ASSETS	164,229	142,910
CURRENT LIABILITIES:
Lines of credit and notes payable		955
Current maturities of long-term debt	342	352
Current portions of capital lease obligations	1,308	2,217
Accounts payable	29,063	16,377
Accrued liabilities	6,961	6,012
Customer deposits	21,482	4,063
Liabilities held for sale		3,860
Total current liabilities	59,156	33,836
LONG-TERM LIABILITIES:
Long-term debt, net of current maturities	2,757	2,956
Long-term capital lease obligations, net of current portions	1,431	641
Other	3,342	2,169
Total long-term liabilities	7,530	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; 14,563,228 and 14,197,792 shares issued and outstanding as of September 30, 2013 and December 31, 2012, respectively	15	14
Additional paid-in capital	375,542	373,605
Accumulated deficit	(278,014)	(270,311)
Total stockholders' equity	97,543	103,308
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 164,229	$ 142,910