CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
ASSETS
Cash and cash equivalents	$ 556	$ 1,523
Accounts receivable, net of allowance of $1,300 and $1,211, respectively	6,614	7,140
Inventory	679	232
Costs and estimated earnings in excess of billings on uncompleted contracts	3,432	2,547
Prepaid expenses and other current assets	171	321
Total current assets	11,452	11,763
Property, plant and equipment, net	12,763	13,103
Investment in joint venture	985	984
Intangibles, net	124	126
Goodwill	4,916	4,916
Other assets	738	607
Total assets	30,978	31,499
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable and accrued liabilities	3,113	4,289
Billings in excess of costs and estimated earnings on uncompleted contracts	1,223	753
Deferred revenues	11	44
Current portion of long-term debt	210	680
Total current liabilities	4,557	5,766
Long-term debt, net	3,360	2,936
Total liabilities	7,917	8,702
Commitments and contingencies (Note 10)
Stockholders' equity:
Preferred stock, $0.001 par value, 10,000 shares authorized, 0 shares issued and outstanding	0	0
Common stock, $0.001 par value, 24,500 shares authorized, 10,152 shares issued and outstanding	10	10
Additional paid-in capital	64,010	63,970
Accumulated deficit	(40,959)	(41,183)
Total stockholders' equity	23,061	22,797
Total liabilities and stockholders' equity	$ 30,978	$ 31,499