Consolidated Balance Sheets - USD ($)	Dec. 31, 2016	Dec. 31, 2015
CURRENT ASSETS:
Cash and cash equivalents	$ 1,481,498	$ 18,790,370
Restricted cash	551,047	647,080
Notes receivable	133,913	132,497
Accounts receivable, net of allowance for doubtful accounts	13,922,371	11,671,902
Inventories, net of reserve for obsolete inventories	2,394,179	1,667,048
Advances to suppliers	1,116,525	434,409
Deferred tax assets	386,381	220,895
Receivable from sale of subsidiary	4,838,152
Prepaid expenses and other	9,074	10,285
Assets of discontinued operations	1,758,986	5,898,238
Total current assets	26,592,126	39,472,724
OTHER ASSETS:
Equity method investment	8,610,759
Property and equipment, net	29,878,675	34,634,956
Assets of discontinued operations - property and equipment, net		17,119,008
Intangible assets, net	5,283,695	3,382,071
Total other assets	43,773,129	55,136,035
Total assets	70,365,255	94,608,759
CURRENT LIABILITIES:
Short-term bank loans	2,159,889	2,388,032
Bank acceptance notes payable	547,172	647,080
Accounts payable	864,870	1,890,475
Accrued expenses	368,395	610,834
Advances from customers	427,446	403,778
VAT and service taxes payable	47,319	186,692
Income taxes payable	79,467	259,987
Liabilities of discontinued operations	558,661	8,154,749
Total current liabilities	5,053,219	14,541,627
Total liabilities	5,053,219	14,541,627
Commitments and contingencies (see Note 17)
STOCKHOLDERS' EQUITY:
Preferred stock ($0.001 par value; 10,000,000 shares authorized; No shares issued and outstanding at December 31, 2016 and 2015)
Common stock ($0.001 par value; 12,500,000 shares authorized; 1,415,441 and 985,997 shares issued and outstanding at December 31, 2016 and 2015, respectively)	1,415	986
Additional paid-in capital	35,549,542	33,806,291
Retained earnings	26,531,498	37,007,776
Statutory reserve	2,352,592	3,555,468
Accumulated other comprehensive income - foreign currency translation adjustment	876,989	5,696,611
Total stockholders' equity	65,312,036	80,067,132
Total liabilities and stockholders' equity	$ 70,365,255	$ 94,608,759