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Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011
--- | --- | ---
ASSETS |  |
Cash and cash equivalents | $ 1,181 | $ 2,136
Trade accounts receivable less allowances of $265 and $447, respectively | 5,319 | 2,738
Retainage receivable | 634 | 474
Inventories, net | 2,581 | 2,429
Costs in excess of billings | 99 | 171
Prepaid and other current assets | 1,012 | 881
Total current assets | 10,826 | 8,829
Property and equipment, net | 1,800 | 2,105
Goodwill |  | 672
Intangible assets, net | 608 | 1,027
Collateralized assets | 1,000 | 1,000
Other assets | 119 | 145
Total assets | 14,353 | 13,778
LIABILITIES |  |
Accounts payable | 5,879 | 5,653
Accrued liabilities | 2,265 | 1,995
Deferred revenue | 751 | 1,373
Billings in excess of costs | 464 | 154
Credit line borrowings | 1,590 | 701
Current maturities of long-term debt | 756 | 855
Total current liabilities | 11,705 | 10,731
Other liabilities | 30 | 71
Acquisition-related contingent liabilities |  | 553
Long-term debt | 1,793 | 955
Total liabilities | 13,528 | 12,310
SHAREHOLDERS' EQUITY |  |
Authorized: 100,000,000 shares in 2012, and 60,000,000 shares in 2011 Issued and outstanding: 44,698,650 in 2012 and 24,913,135 in 2011 | 4 | 1
Additional paid-in capital | 80,985 | 75,962
Accumulated other comprehensive income | 460 | 420
Accumulated deficit | (80,624) | (74,915)
Total shareholders' equity | 825 | 1,468
Total liabilities and shareholders' equity | $ 14,353 | $ 13,778

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