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