Consolidated Balance Sheets - USD ($)	Mar. 31, 2016	Dec. 31, 2015
CURRENT ASSETS:
Cash and cash equivalents	$ 18,948,981	$ 18,790,370
Restricted cash	255,897	647,080
Notes receivable	119,031	132,497
Accounts receivable, net of allowance for doubtful accounts	16,192,325	15,823,859
Inventories, net of reserve for obsolete inventories	2,068,206	1,827,084
Advances to suppliers	1,080,998	1,038,884
Deferred tax assets	222,362	220,895
Prepaid expenses and other	1,135,994	992,055
Total Current Assets	40,023,794	39,472,724
PROPERTY AND EQUIPMENT, net	50,408,449	51,753,964
OTHER ASSETS:
Land use rights, net	3,381,601	3,382,071
Total Assets	93,813,844	94,608,759
CURRENT LIABILITIES:
Short-term bank loans	3,024,240	3,081,332
Bank acceptance notes payable	245,041	647,080
Accounts payable	3,380,071	3,489,815
Accrued expenses	5,814,769	6,361,079
Advances from customers	697,789	433,050
VAT and service taxes payable	94,297	269,284
Income taxes payable	206,050	259,987
Total Current Liabilities	13,462,257	14,541,627
Total Liabilities	$ 13,462,257	$ 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 March 31, 2016 and December 31, 2015)
Common stock ($0.001 par value; 50,000,000 shares authorized; 4,403,986 and 3,943,986 shares issued and outstanding at March 31, 2016 and December 31, 2015, respectively)	$ 4,404	$ 3,944
Additional paid-in capital	34,405,473	33,803,333
Retained earnings	36,163,683	37,007,776
Statutory reserve	3,555,468	3,555,468
Accumulated other comprehensive income - foreign currency translation adjustment	6,222,559	5,696,611
Total Stockholders' Equity	80,351,587	80,067,132
Total Liabilities and Stockholders' Equity	$ 93,813,844	$ 94,608,759

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.