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Consolidated Balance Sheets (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Current assets:    
Cash and cash equivalents $ 2,136 $ 4,107
Trade accounts receivable less allowances of $447 and $446, respectively 2,738 5,483
Retainage receivable 474 731
Inventories, net 2,429 2,543
Costs in excess of billings 171 22
Prepaid and other current assets 881 632
Total current assets 8,829 13,518
Property and equipment, net 2,105 2,446
Goodwill 672 672
Intangible assets, net 1,027 1,677
Collateralized assets 1,000 2,000
Other assets 145 61
Total assets 13,778 20,374
Current liabilities:    
Accounts payable 5,653 7,167
Accrued liabilities 1,995 2,358
Deferred revenue 1,373 1,214
Billings in excess of costs 154 297
Credit line borrowings 701 0
Current maturities of long-term debt 855 481
Total current liabilities 10,731 11,517
Other liabilities 71 28
Acquisition-related contingent liabilities 553 827
Long-term debt 955 1,344
Total liabilities 12,310 13,716
SHAREHOLDERS' EQUITY    
Preferred stock, par value $0.0001 per share: Authorized: 2,000,000 shares in 2011 and 2010 Issued and outstanding: no shares in 2011 and 2010      
Common stock, par value $0.0001 per share: Authorized: 60,000,000 shares in 2011 and 2010 Issued and outstanding: 24,913,000 in 2011 and 23,962,000 in 2010 1 1
Additional paid-in capital 75,962 75,094
Accumulated other comprehensive income 420 423
Accumulated deficit (74,915) (68,860)
Total shareholders' equity 1,468 6,658
Total liabilities and shareholders' equity $ 13,778 $ 20,374