Consolidated Balance Sheets - USD ($)	Jun. 30, 2016	Dec. 31, 2015
CURRENT ASSETS:
Cash and cash equivalents	$ 19,522,905	$ 18,790,370
Restricted cash	248,367	647,080
Notes receivable	69,242	132,497
Accounts receivable, net of allowance for doubtful accounts	15,064,235	15,823,859
Inventories, net of reserve for obsolete inventories	2,974,023	1,827,084
Advances to suppliers	855,671	1,038,884
Deferred tax assets	215,818	220,895
Prepaid expenses and other	864,899	992,055
Total Current Assets	39,815,160	39,472,724
PROPERTY AND EQUIPMENT, net	47,276,301	51,753,964
OTHER ASSETS:
Land use rights, net	3,259,844	3,382,071
Total Assets	90,351,305	94,608,759
CURRENT LIABILITIES:
Short-term bank loans	2,935,244	3,081,332
Bank acceptance notes payable	237,830	647,080
Accounts payable	3,239,562	3,489,815
Accrued liability for claimed sale contract dispute	5,434,512	5,562,365
Accrued expenses	203,941	798,714
Advances from customers	350,345	433,050
VAT and service taxes payable	35,828	269,284
Income taxes payable	115,557	259,987
Total Current Liabilities	12,552,819	14,541,627
Total Liabilities	12,552,819	14,541,627
Commitments and contingencies
STOCKHOLDERS' EQUITY:
Preferred stock ($0.001 par value; 10,000,000 shares authorized; 0 share issued and outstanding at June 30, 2016 and December 31, 2015)
Common stock ($0.001 par value; 50,000,000 shares authorized; 4,876,486 and 3,943,986 shares issued and outstanding at June 30, 2016 and December 31, 2015, respectively)	4,876	3,944
Additional paid-in capital	34,900,501	33,803,333
Retained earnings	35,483,501	37,007,776
Statutory reserve	3,555,468	3,555,468
Accumulated other comprehensive income - foreign currency translation adjustment	3,854,140	5,696,611
Total Stockholders' Equity	77,798,486	80,067,132
Total Liabilities and Stockholders' Equity	$ 90,351,305	$ 94,608,759