SEGMENT REPORTING (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
SEGMENT REPORTING
Revenues from external customers	$ 45,664	$ 54,443
Operating profit (loss)	(4,496)	(3,941)
Depreciation and Amortization	3,986	3,950
Capital Expenditures	1,375	715
Total Assets	155,177		142,910
Markup over costs (as a percent)	10.00%
Tower and Weldments
SEGMENT REPORTING
Number of facilities	2
Revenues from external customers	30,026	35,169
Intersegment revenues	3
Operating profit (loss)	2,002	1,005
Depreciation and Amortization	951	876
Capital Expenditures	242	31
Total Assets	58,737		50,801
Tower and Weldments | Minimum
SEGMENT REPORTING
Typical capacity of wind turbines for which towers are manufactured (in megawatts)	2
Tower and Weldments | Maximum
SEGMENT REPORTING
Annual tower production capacity (in towers)	500
Power generating capacity of turbines that towers produced annually can support (in megawatts)	1,200
Gearing
SEGMENT REPORTING
Revenues from external customers	8,169	15,832
Intersegment revenues	2,551	200
Operating profit (loss)	(2,860)	(1,121)
Depreciation and Amortization	2,710	2,672
Capital Expenditures	643	365
Total Assets	72,094		71,371
Services
SEGMENT REPORTING
Revenues from external customers	7,469	3,442
Intersegment revenues	15
Operating profit (loss)	(702)	(1,623)
Depreciation and Amortization	313	385
Capital Expenditures	213	242
Total Assets	18,410		13,976
Corporate
SEGMENT REPORTING
Operating profit (loss)	(2,938)	(2,216)
Depreciation and Amortization	12	17
Capital Expenditures	277	77
Total Assets	312,949		308,336
Eliminations
SEGMENT REPORTING
Intersegment revenues	(2,569)	(200)
Operating profit (loss)	2	14
Total Assets	(315,052)		(309,616)
Assets held for sale
SEGMENT REPORTING
Total Assets	$ 8,039		$ 8,042