SEGMENT REPORTING (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
SEGMENT REPORTING
Revenues from external customers	$ 62,436	$ 55,045	$ 159,463	$ 165,799
Operating profit (loss)	(2,381)	(3,527)	(10,210)	(11,627)
Depreciation and Amortization	3,379	4,367	11,412	12,227
Capital Expenditures	3,238	1,135	5,967	3,300
Total Assets	164,229		164,229		142,910
Markup over costs (as a percent)	10.00%		10.00%
Tower and Weldments
SEGMENT REPORTING
Number of facilities	2		2
Revenues from external customers	48,594	37,423	116,127	109,587
Intersegment revenues	64		67
Operating profit (loss)	6,723	1,740	12,828	3,306
Depreciation and Amortization	941	942	2,841	2,722
Capital Expenditures	750	127	1,235	540
Total Assets	51,054		51,054		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	10,138	10,778	28,098	40,256
Intersegment revenues	251	478	3,456	1,096
Operating profit (loss)	(5,653)	(2,637)	(12,394)	(5,390)
Depreciation and Amortization	2,014	2,995	7,469	8,217
Capital Expenditures	2,459	893	4,114	1,657
Total Assets	70,561		70,561		71,371
Services
SEGMENT REPORTING
Revenues from external customers	3,704	6,844	15,238	15,956
Intersegment revenues		55	15	81
Operating profit (loss)	(1,276)	(570)	(3,239)	(3,331)
Depreciation and Amortization	409	413	1,064	1,237
Capital Expenditures	7	44	240	944
Total Assets	15,906		15,906		13,976
Corporate
SEGMENT REPORTING
Operating profit (loss)	(2,197)	(2,048)	(7,386)	(6,224)
Depreciation and Amortization	15	17	38	51
Capital Expenditures	22	71	378	159
Total Assets	303,401		303,401		308,336
Eliminations
SEGMENT REPORTING
Intersegment revenues	(315)	(533)	(3,538)	(1,177)
Operating profit (loss)	22	(12)	(19)	12
Total Assets	(278,845)		(278,845)		(309,616)
Assets held for sale
SEGMENT REPORTING
Total Assets	$ 2,152		$ 2,152		$ 8,042