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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified | 6 Months Ended
--- | ---
Jun. 30, 2013 | Jun. 30, 2012
CASH FLOWS FROM OPERATING ACTIVITIES: |  |
Net loss | $ (5,212) | $ (8,091)
Loss from discontinued operations | 210 |
LOSS FROM CONTINUING OPERATIONS | (5,002) | (8,091)
Adjustments to reconcile net cash used in operating activities: |  |
Depreciation and amortization expense | 8,033 | 7,860
Impairment charges | 288 |
Stock-based compensation | 972 | 1,289
Allowance for doubtful accounts | (174) | 254
Common stock issued under defined contribution 401(k) plan | 337 |
(Gain) loss on disposal of assets | (3,657) | 92
Changes in operating assets and liabilities: |  |
Accounts receivable | (2,664) | 1,246
Inventories | (14,822) | (15,362)
Prepaid expenses and other current assets | 535 | 1,526
Accounts payable | 11,869 | 16,817
Accrued liabilities | 385 | (222)
Customer deposits | 17,523 | (8,607)
Other non-current assets and liabilities | 153 | 832
Net cash provided by (used in) operating activities of continuing operations | 13,776 | (2,366)
CASH FLOWS FROM INVESTING ACTIVITIES: |  |
Proceeds from sale of logistics business and related note receivable |  | 175
Purchases of available for sale securities | (606) |
Purchases of property and equipment | (2,729) | (2,165)
Proceeds from disposals of property and equipment | 12,453 | 87
Decrease in restricted cash |  | 646
Net cash provided by (used in) investing activities of continuing operations | 9,118 | (1,257)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |
Payments on lines of credit and notes payable | (80,209) | (1,954)
Proceeds from lines of credit and notes payable | 75,208 |
Proceeds from sale-leaseback transactions |  | 1,000
Principal payments on capital leases | (1,148) | (627)
Net cash used in financing activities of continuing operations | (6,149) | (1,581)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS | 16,745 | (5,204)
CASH AND CASH EQUIVALENTS, beginning of the period | 516 | 13,340
CASH AND CASH EQUIVALENTS, end of the period | 17,261 | 8,136
Supplemental cash flow information: |  |
Interest paid | 559 | 530
Income taxes paid | 13 | 24
Non-cash investing and financing activities: |  |
Issuance of restricted stock grants | 727 | 812
Common stock issued under defined contribution 401(k) plan | $ 337 |

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