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Condensed Consolidated Balance Sheets (Current Period Unaudited) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Current assets:    
Cash and cash equivalents $ 1,596 $ 2,860
Trade accounts receivable less allowances of $55 and $84, respectively 3,817 3,348
Retainage receivable 472 577
Inventories, net 2,589 2,510
Costs and estimated earnings in excess of billings 129 145
Prepaid and other current assets 1,311 1,207
Assets held for sale   130
Total current assets 9,914 10,777
Property and equipment, net 531 536
Intangible assets, net 27 55
Collateralized assets 1,000 1,000
Other assets 116 440
Total assets 11,588 12,808
Current liabilities:    
Accounts payable 3,624 3,707
Accrued liabilities 1,147 1,218
Deferred revenue 183 71
Billings in excess of costs and estimated earnings 22 764
Credit line borrowings 824  
Current maturities of long-term debt 62 59
Total current liabilities 5,862 5,819
Other liabilities 49 54
Long-term debt 202 4,011
Total liabilities 6,113 9,884
STOCKHOLDERS' EQUITY    
Common stock, par value $0.0001 per share: Authorized: 15,000,000 shares in 2014 and 2013. Issued and outstanding: 8,012,461 at June 30, 2014 and 5,142,194 at December 31, 2013 (post-reverse split) 1 1
Additional paid-in capital 92,682 85,446
Accumulated other comprehensive income 469 462
Accumulated deficit (87,677) (82,985)
Total stockholders' equity 5,475 2,924
Total liabilities and stockholders' equity $ 11,588 $ 12,808