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Condensed Consolidated Balance Sheets (Current Period Unaudited) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2013 | Dec. 31, 2012
--- | --- | ---
Current assets: |  |
Cash and cash equivalents, includes restricted cash of $0 and $252, respectively | $ 952 | $ 1,181
Trade accounts receivable less allowances of $137 and $265, respectively | 3,807 | 5,319
Retainage receivable | 381 | 634
Inventories, net | 2,989 | 2,581
Costs in excess of billings | 162 | 99
Prepaid and other current assets | 1,681 | 1,012
Total current assets | 9,972 | 10,826
Property and equipment, net | 1,466 | 1,800
Intangible assets, net | 106 | 608
Collateralized assets | 1,000 | 1,000
Other assets | 319 | 119
Total assets | 12,863 | 14,353
Current liabilities: |  |
Accounts payable | 4,854 | 5,879
Accrued liabilities | 1,325 | 2,265
Deferred revenue |  | 751
Billings in excess of costs | 1,461 | 464
Credit line borrowings | 836 | 1,590
Current maturities of long-term debt | 58 | 756
Total current liabilities | 8,534 | 11,705
Other liabilities | 56 | 30
Long-term debt | 4,252 | 1,793
Total liabilities | 12,842 | 13,528
Common stock, par value $0.0001 per share: |  |
Issued and outstanding: 49,158,886 at September 30, 2013 and 44,698,650 at December 31, 2012 | 5 | 4
Additional paid-in capital | 83,946 | 80,985
Accumulated other comprehensive income | 452 | 460
Accumulated deficit | (84,382) | (80,624)
Total shareholders' equity | 21 | 825
Total liabilities and shareholders' equity | $ 12,863 | $ 14,353

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