Segment Information (Details) - USD ($)		3 Months Ended		9 Months Ended
		Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Segment reporting information revenue [Abstract]
Revenues		$ 3,977,592	$ 12,025,433	$ 12,958,359	$ 42,862,498
Depreciation		1,107,211	2,022,385	4,458,972	6,166,899
Interest expense		54,339	61,131	165,515	175,102
Net income (loss)		(359,536)	904,131	(1,883,811)	3,373,135
Identifiable long-lived tangible assets by segment		45,982,808		45,982,808		$ 51,753,964
Identifiable long-lived tangible assets by geographical location		45,982,808		45,982,808		51,753,964
Dyeing and Finishing Equipment [Member]
Segment reporting information revenue [Abstract]
Revenues		3,945,608	8,355,273	12,390,190	2,349,579
Depreciation		955,181	850,480	2,924,085	2,572,477
Interest expense		31,676	35,561	96,630	107,474
Net income (loss)		12,140	1,170,705	529,555	3,080,537
Identifiable long-lived tangible assets by segment		37,274,206		37,274,206		25,782,801
Forged Rolled Rings and Related Components [Member]
Segment reporting information revenue [Abstract]
Revenues		31,984	1,420,348	437,433	11,692,962
Depreciation		46,897	684,422	1,372,860	2,086,489
Interest expense		12,140	12,735	36,505	27,740
Net income (loss)		(113,287)	(302,083)	(1,494,138)	286,505
Identifiable long-lived tangible assets by segment						14,212,045
Petroleum and Chemical Equipment [Member]
Segment reporting information revenue [Abstract]
Revenues			2,249,812	130,736	7,677,957
Depreciation		105,133	487,483	162,027	1,507,933
Interest expense		10,523	12,835	32,380	39,888
Net income (loss)		(160,175)	114,609	(269,143)	500,473
Identifiable long-lived tangible assets by segment						11,759,118
Other [Member]
Segment reporting information revenue [Abstract]
Net income (loss)	[1]	(107,385)	$ (79,100)	(650,085)	$ (494,380)
Equipment held for sale [Member]
Segment reporting information revenue [Abstract]
Identifiable long-lived tangible assets by segment		8,708,602		8,708,602
China [Member]
Segment reporting information revenue [Abstract]
Identifiable long-lived tangible assets by geographical location		45,982,808		45,982,808		51,753,964
United States [Member]
Segment reporting information revenue [Abstract]
Identifiable long-lived tangible assets by geographical location

[1] The Company does not allocate any general and administrative expense of its U.S. activities to its reportable segments, because these activities are managed at a corporate level.