Condensed Consolidated Balance Sheets (Current Period Unaudited) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 380	$ 2,136
Trade accounts receivable less allowances of $321 and $447, respectively	4,193	2,738
Retainage receivable	91	474
Inventories, net	2,364	2,429
Costs in excess of billings	45	171
Prepaid and other current assets	1,226	881
Total current assets	8,299	8,829
Property and equipment, net	1,787	2,105
Goodwill	672	672
Intangible assets, net	713	1,027
Collateralized assets	1,000	1,000
Other assets	86	145
Total assets	12,557	13,778
Current liabilities:
Accounts payable	3,591	5,653
Accrued liabilities	3,045	1,995
Deferred revenue	539	1,373
Billings in excess of costs	221	154
Credit line borrowings	1,330	701
Current maturities of long-term debt	731	855
Total current liabilities	9,457	10,731
Other liabilities	31	71
Acquisition-related contingent liabilities		553
Long-term debt	307	955
Total liabilities	9,795	12,310
SHAREHOLDERS' EQUITY
Authorized: 2,000,000 shares in 2012 and 2011 Issued and outstanding: no shares in 2012 and 2011
Authorized: 100,000,000 shares in 2012 and 60,000,000 shares in 2011 Issued and outstanding: 44,542,000 at September 30, 2012 and 24,913,000 at December 31, 2011	4	1
Additional paid-in capital	80,911	75,962
Accumulated other comprehensive income	457	420
Accumulated deficit	(78,610)	(74,915)
Total shareholders' equity	2,762	1,468
Total liabilities and shareholders' equity	$ 12,557	$ 13,778