CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Cash and cash equivalents	$ 4,231	$ 4,979
Accounts receivable, net of allowance of $48 and $27, respectively	4,692	5,854
Inventory	232	232
Costs and estimated earnings in excess of billings on uncompleted contracts	315	84
Prepaid expenses and other current assets	174	262
Total current assets	9,644	11,411
Property, plant and equipment, net	13,409	12,036
Investment in joint venture	1,055	1,163
Intangibles, net	2,421	2,502
Goodwill	4,916	4,916
Other assets	473	416
Total assets	31,918	32,444
Current liabilities:
Accounts payable and accrued liabilities	2,112	2,566
Billings in excess of costs and estimated earnings on uncompleted contracts	1,847	1,767
Deferred revenues	58	260
Current portion of long-term debt	1,156	2,893
Total current liabilities	5,173	7,486
Long-term debt, net	2,177	173
Total liabilities	7,350	7,659
Commitments and contingencies (Note 10)
Preferred stock, $0.001 par value, 10,000 shares authorized, 0 shares issued and outstanding, respectively
Common stock, $0.001 par value, 490,000 shares authorized, 204,074 and 204,874 shares, respectively, issued and outstanding	204	205
Additional paid-in capital	63,393	63,309
Accumulated deficit	(39,029)	(38,729)
Total stockholders' equity	24,568	24,785
Total liabilities and stockholders' equity	$ 31,918	$ 32,444