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Condensed Consolidated Balance Sheets (Unaudited) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Current assets:    
Cash and cash equivalents $ 627 $ 2,136
Trade accounts receivable less allowances of $339 and $447, respectively 4,576 2,738
Retainage receivable 397 474
Inventories, net 2,362 2,429
Costs in excess of billings 66 171
Prepaid and other current assets 1,797 881
Total current assets 9,825 8,829
Property and equipment, net 1,898 2,105
Goodwill 672 672
Intangible assets, net 817 1,027
Collateralized assets 1,000 1,000
Other assets 103 145
Total assets 14,315 13,778
Current liabilities:    
Accounts payable 3,797 5,653
Accrued liabilities 2,206 1,995
Deferred revenue 1,048 1,373
Billings in excess of costs 505 154
Credit line borrowings 2,064 701
Current maturities of long-term debt 474 855
Total current liabilities 10,094 10,731
Other liabilities 31 71
Acquisition-related contingent liabilities   553
Long-term debt 552 955
Total liabilities 10,677 12,310
SHAREHOLDERS' EQUITY    
Preferred stock, par value $0.0001 per share: Authorized: 2,000,000 shares in 2012 and 2011 Issued and outstanding: no shares in 2012 and 2011      
Common stock, par value $0.0001 per share: Authorized: 60,000,000 shares in 2012 and 2011 Issued and outstanding: 44,542,000 at June 30, 2012 and 24,913,000 at December 31, 2011 5 1
Additional paid-in capital 80,884 75,962
Accumulated other comprehensive income 431 420
Accumulated deficit (77,682) (74,915)
Total shareholders' equity 3,638 1,468
Total liabilities and shareholders' equity $ 14,315 $ 13,778