Related Party Transactions (Details Textual) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Related Party Transaction [Line Items]
Net profit (loss)	$ (521)	$ 815
Sub-contracts with related parties	5,052	3,659
Outstanding due from Jiangsu Ever-Glory	9,253		$ 10,354
Interest income	$ 100,000	200
Acquired interest	80.00%
Amounts due from related party under counter guarantee agreement, description	The amount of the counter-guarantee was $8.7 million (RMB 58.7 million) (the difference represents currency exchange adjustment of $0.2 million), which was 21.1% of the aggregate amount of lines of credit. This amount plus accrued interest of $0.5 million have been classified as a reduction of equity, consistent with the guidance of SEC Staff Accounting Bulletins 4E and 4G. At March 31, 2019 and December 31, 2018, the amount classified as a reduction of equity was $9.3 million and $10.4 million, respectively. Interest of 0.5% is charged on net amounts due from Jiangsu Ever-Glory at each month end. Since April 1, 2015, interest rate has changed to 0.41% as the bank benchmark interest rate decreased. Since January 1, 2019, interest rate has changed to 0.3625% as the bank benchmark interest rate decreased
CNY [Member]
Related Party Transaction [Line Items]
Outstanding due from Jiangsu Ever-Glory			68,200
JiangsuWubijia Trading Company Limited [Member]
Related Party Transaction [Line Items]
Company received amount from related party	$ 31,479	33,622
Amount paid through the consignment	25,838	19,188
Net profit (loss)	5,641	14,435
Nanjing Knitting [Member]
Related Party Transaction [Line Items]
Purchase of raw material	200	330
Sub-contracts with related parties	5,100	3,700
Lines of credit	33,400
Nanjing Knitting [Member] | CNY [Member]
Related Party Transaction [Line Items]
Lines of credit		230,000
Jiangsu Ever-Glory [Member]
Related Party Transaction [Line Items]
Purchase of raw material	0	300,000
Sub-contracts with related parties	425	45
Company sold raw materials	424,675	22,235
Lines of credit	41,400
Guarantee on lines of credit	30,600	29,900
Outstanding due from Jiangsu Ever-Glory	2,100
Repayment received under counter guarantee		$ 3,500
Jiangsu Ever-Glory [Member] | CNY [Member]
Related Party Transaction [Line Items]
Lines of credit			278,000
Guarantee on lines of credit	205,500		205,500
Outstanding due from Jiangsu Ever-Glory	14,000
Repayment received under counter guarantee			23,500
Mr. Kang [Member]
Related Party Transaction [Line Items]
Guarantee on lines of credit	24,600		14,500
Mr. Kang [Member] | CNY [Member]
Related Party Transaction [Line Items]
Guarantee on lines of credit	$ 164,800		$ 100,000