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CONDENSED CONSOLIDATED BALANCE SHEETS (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
CURRENT ASSETS:    
Cash and cash equivalents $ 9,601 $ 24,936
Short-term investments 1,795 1,143
Restricted cash 83 83
Accounts receivable, net of allowance for doubtful accounts of $59 and $17 as of March 31, 2014 and December 31, 2013, respectively 23,640 18,735
Inventories, net 39,123 37,143
Prepaid expenses and other current assets 1,925 2,325
Assets held for sale 1,582 1,970
Total current assets 77,749 86,335
Property and equipment, net 67,797 69,077
Intangible assets, net 5,792 5,903
Other assets 2,278 2,379
TOTAL ASSETS 153,616 163,694
CURRENT LIABILITIES:    
Current maturities of long-term debt 179 201
Current portions of capital lease obligations 946 933
Accounts payable 24,424 27,537
Accrued liabilities 7,327 8,115
Customer deposits 18,727 22,993
Liabilities held for sale 361 749
Total current liabilities 51,964 60,528
LONG-TERM LIABILITIES:    
Long-term debt, net of current maturities 2,612 2,755
Long-term capital lease obligations, net of current portions 952 1,193
Other 3,415 3,888
Total long-term liabilities 6,979 7,836
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; 14,696,157 and 14,627,990 shares issued and outstanding as of March 31, 2014 and December 31, 2013, respectively 15 15
Additional paid-in capital 376,511 376,125
Accumulated deficit (281,853) (280,810)
Total stockholders' equity 94,673 95,330
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY $ 153,616 $ 163,694