Summary of Significant Accounting Policies (Details Textual)	12 Months Ended
	Dec. 31, 2015 USD ($) Segment	Dec. 31, 2014 USD ($)
Summary of Significant Accounting Policies (Textual)
Provision for doubtful accounts	$ 503,000	$ 1,789,000
Description of allowance recorded on inventory	The Company records an allowance for slow-moving or obsolete materials and finished goods aged more than two years.
Land use right, useful life	50 years
Impairment charges of long lived assets
Local transportation charges and production inspection charges	$ 200,000	200,000
Accumulated other comprehensive income	3,249,000	8,277,000
Research and development costs	$ 2,170,000	2,260,000
Assets and liabilities translation rate	Assets and liabilities at December 31, 2015 and 2014 were translated at RMB6.49 and RMB6.15 to $1.00 respectively.
Average translation rate applied to income statement accounts and statement of cash flows	The average translation rates applied to income statement accounts and statement of cash flows for the years ended December 31, 2015 and 2014 were RMB6.24 and RMB6.15 to $1.00, respectively.
Gains or losses from exchange rate fluctuations	$ (240,326)	55,064
Number of reportable segments | Segment	2
PRC subsidiaries received government subsidies	$ 2,530,000	$ 1,280,000