SEGMENT REPORTING (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
SEGMENT REPORTING
Revenues from external customers	$ 56,311	$ 39,332	$ 110,754	$ 82,862
Operating profit (loss)	(4,159)	(4,311)	(8,100)	(8,284)
Depreciation and amortization	3,910	3,762	7,860	7,263
Capital expenditures	1,450	470	2,165	2,850
Total Assets	174,568		174,568		172,891
Markup over costs (as a percent)	10.00%		10.00%
Tower and Weldments
SEGMENT REPORTING
Number of facilities	2		2
Revenues from external customers	36,995	24,495	72,164	52,666
Operating profit (loss)	561	2,773	1,566	5,194
Depreciation and amortization	904	887	1,780	1,766
Capital expenditures	382	84	413	189
Total Assets	77,344		77,344		68,185
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	13,646	12,506	29,479	26,037
Intersegment revenues	417	3	617	25
Operating profit (loss)	(1,632)	(2,847)	(2,753)	(5,242)
Depreciation and amortization	2,550	2,506	5,222	5,028
Capital expenditures	399	(560)	764	(298)
Total Assets	80,212		80,212		80,642
Services
SEGMENT REPORTING
Revenues from external customers	5,670	2,331	9,111	4,159
Intersegment revenues	25	36	26	36
Operating profit (loss)	(1,139)	(2,094)	(2,763)	(3,448)
Depreciation and amortization	439	326	824	382
Capital expenditures	658	926	900	2,921
Total Assets	15,822		15,822		15,752
Assets held for sale
SEGMENT REPORTING
Total Assets	8,047		8,047		8,052
Corporate
SEGMENT REPORTING
Revenues from external customers			(643)	(61)
Operating profit (loss)	(1,960)	(2,143)	(4,175)	(4,788)
Depreciation and amortization	17	43	34	87
Capital expenditures	11	20	88	38
Total Assets	312,468		312,468		317,413
Eliminations
SEGMENT REPORTING
Intersegment revenues	(442)	(39)	(643)	(61)
Operating profit (loss)	11		25
Total Assets	$ (319,325)		$ (319,325)		$ (317,153)