Condensed Consolidated Balance Sheets - USD ($)	Mar. 31, 2017	Dec. 31, 2016
CURRENT ASSETS:
Cash and cash equivalents	$ 2,828,692	$ 1,481,498
Restricted cash	642,263	551,047
Notes receivable	82,697	133,913
Accounts receivable, net of allowance for doubtful accounts	15,397,185	13,922,371
Inventories, net of reserve for obsolete inventories	2,795,003	2,394,179
Advances to suppliers	1,503,012	1,116,525
Deferred tax assets	389,308	386,381
Receivable from sale of subsidiary	4,874,793	4,838,152
Prepaid expenses and other	1,313,122	9,074
Assets of discontinued operations	498,330	1,758,986
Total current assets	30,324,405	26,592,126
OTHER ASSETS:
Equity method investment	8,657,630	8,610,759
Property and equipment, net	29,138,898	29,878,675
Intangible assets, net	5,244,236	5,283,695
Total other assets	43,040,764	43,773,129
Total assets	73,365,169	70,365,255
CURRENT LIABILITIES:
Short-term bank loans	2,176,247	2,159,889
Bank acceptance notes payable	638,366	547,172
Accounts payable	2,453,499	864,870
Accrued expenses	273,802	368,395
Advances from customers	1,506,630	427,446
VAT and service taxes payable	26,827	47,319
Income taxes payable	78,325	79,467
Liabilities of discontinued operations	549,796	558,661
Total current liabilities	7,703,492	5,053,219
Total liabilities	7,703,492	5,053,219
Commitments and contingencies (see Note 15)
STOCKHOLDERS' EQUITY:
Preferred stock ($0.001 par value; 10,000,000 shares authorized; No shares issued and outstanding at March 31, 2017 and December 31, 2016)
Common stock ($0.001 par value; 12,500,000 shares authorized; 1,415,441 shares issued and outstanding at March 31, 2017 and December 31, 2016)	1,415	1,415
Additional paid-in capital	35,549,542	35,549,542
Retained earnings	26,385,014	26,531,498
Statutory reserve	2,352,592	2,352,592
Accumulated other comprehensive income - foreign currency translation adjustment	1,373,114	876,989
Total stockholders' equity	65,661,677	65,312,036
Total liabilities and stockholders' equity	$ 73,365,169	$ 70,365,255