Discontinued Operations (Details) - USD ($)		Dec. 31, 2016	Dec. 31, 2015
Current assets:
Accounts receivable, net		$ 78,407	$ 4,151,958
Inventories, net of reserve for obsolete inventories		31,019	160,036
Advances to suppliers		200,275	604,474
Equipment held for sale	[1]	1,147,035
Prepaid expenses and other		302,250	981,770
Total current assets		1,758,986	5,898,238
Equipment held for sale			3,338,002
Property and equipment, net			13,781,006
Total assets		1,758,986	23,017,246
Current liabilities:
Short-term bank loans			693,300
Accounts payable		458,433	1,599,340
Accrued expenses and other liabilities		45,280	270,471
Accrued liability for claimed sale contract dispute	[2]		5,562,365
Advances from customers		54,948	29,273
Total current liabilities		558,661	8,154,749
Total liabilities		$ 558,661	$ 8,154,749

[1] The Company committed to a plan to sell the manufacturing equipment that was previously used in petroleum and chemical equipment segment and reflected this equipment in discontinued operations as equipment held for sale. In connection with the Company's analysis of the equipment held for sale, for the year ended December 31, 2016, the Company recorded an impairment charge of $1,660,305 which is included on the consolidated statements of operations in loss from discontinued operations. The Company subsequently sold the equipment in March 2017 to a third party (See Note 19).

[2] In December 2015, the Company received a notice of contract termination in writing from its largest customer, which was a customer in the petroleum and chemical equipment segment, alleging breach of contract for late delivery of product and for delivery of product with quality defects. As a result of the claimed breach of contract, the customer demanded payment of a penalty of 20% of the contract price plus penalties for late delivery and damages in the amounts of RMB 36,103,640 ($5,562,365 at December 31, 2015). In the third quarter of 2016, the claimed sale contract dispute was resolved, and the Company made the payment of RMB 36,103,640 RMB to this customer in full satisfaction of the customer's claims against the Company.