Parent Company Balance Sheets (Detail) - USD ($)	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
CURRENT ASSETS
Cash	$ 21,333,193	$ 3,100,569	$ 1,331,658
Other current assets and prepaid expenses	698,217	1,046,032
Total current assets	752,985,062	346,249,798
OTHER ASSETS
TOTAL ASSETS	2,262,403,149	469,616,222
CURRENT LIABILITIES
Other payables and accrued expenses	13,716,472	6,355,979
Total current liabilities	293,116,111	171,372,263
TOTAL LIABILITIES	1,979,912,862	203,955,827
COMMITMENTS AND CONTINGENCIES
EQUITY
Preferred stock, $0.001 par value, 500,000 shares authorized, none issued or outstanding as of December 31, 2016 and December 31, 2015	0	0
Common stock $0.001 par value, 100,000,000 shares authorized, 66,018,867 and 65,963,502 shares issued and outstanding as of December 31, 2016 and 2015	66,018	65,963
Additional paid-in capital Retained earnings	80,230,968	79,990,717
Retained earnings
Unappropriated	277,473,959	184,564,147
Appropriated	967,543	967,543
Accumulated other comprehensive loss	(76,248,201)	(1,249)
Total stockholders' equity	282,490,287	265,587,121
Non-controlling interest	0	73,274	0
Total Equity	282,490,287	265,660,395	258,239,474
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	2,262,403,149	469,616,222
Parent Company [Member]
CURRENT ASSETS
Cash	281,017	144,465	$ 61,986
Other current assets and prepaid expenses	500	500
Total current assets	28,517	144,965
OTHER ASSETS
Investment in subsidiaries	282,425,857	266,344,688
Total other assets	282,425,857	266,344,688
TOTAL ASSETS	282,707,374	266,489,653
CURRENT LIABILITIES
Other payables and accrued expenses	217,087	829,257
Total current liabilities	217,087	829,257
TOTAL LIABILITIES	217,087	829,257
COMMITMENTS AND CONTINGENCIES	0	0
EQUITY
Preferred stock, $0.001 par value, 500,000 shares authorized, none issued or outstanding as of December 31, 2016 and December 31, 2015	0	0
Common stock $0.001 par value, 100,000,000 shares authorized, 66,018,867 and 65,963,502 shares issued and outstanding as of December 31, 2016 and 2015	66,018	65,963
Additional paid-in capital Retained earnings	80,230,968	79,990,717
Retained earnings
Unappropriated	277,473,959	184,564,147
Appropriated	967,543	967,543
Accumulated other comprehensive loss	(76,248,201)	(1,248)
Total stockholders' equity	282,490,287	265,587,122
Non-controlling interest	0	73,274
Total Equity	282,490,287	265,660,396
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 282,707,374	$ 266,489,653