CONSOLIDATED BALANCE SHEETS - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Current Assets
Cash	$ 94,222,538	$ 100,301,986
Accounts receivable	6,521,798	4,877,106
Inventories, net	419,609	690,087
Prepayments and deposits	6,146,461	1,332,970
Prepaid land leases	0	0
Other receivables	559	559
Total Current Assets	107,310,965	107,202,708
Non-Current Assets
Property, plant and equipment, net	148,947,689	137,994,949
Finance lease right-of-use assets	186,272	179,526
Operating lease right-of-use assets	8,868,661	8,817,884
Prepaid land leases, net of current portion	10,134,004	9,115,276
Deferred tax assets	18,590,227	15,940,642
Total Non-Current Assets	186,726,853	172,048,277
Total Assets	294,037,818	279,250,985
Current Liabilities
Payable and accrued expenses	5,081,701	1,106,048
Retention payable	0	3,805,483
Taxes payable-current	1,326,179	779,623
Finance lease liability, current portion	217,070	198,506
Operating lease liabilities, current portion	477,350	416,604
Total Current Liabilities	7,102,300	6,306,264
Non-Current Liabilities
Finance lease liability, net of current portion	1,888,903	1,905,772
Operating lease liabilities, net of current portion	8,022,342	7,931,849
Total Non-Current Liabilities	9,911,245	9,837,621
Total Liabilities	17,013,545	16,143,885
Commitment and Contingencies
Stockholders' Equity
PREFERRED STOCK; $0.001 par value; 1,000,000 shares authorized; none outstanding	0	0
COMMON STOCK; $0.0005 par value; 80,000,000 shares authorized; 10,043,307and 9,563,257 shares issued; and 9,997,477 and 9,517,427 shares outstanding as of December 31, 2020 and December 31, 2019	24,139	23,904
Treasury stock; 45,830 and 45,830 shares as of December 31, 2020 and December 31, 2019 at cost	(510,329)	(510,329)
Additional paid-in capital	97,435,316	95,043,388
Retained earnings unappropriated	151,388,356	159,808,400
Retained earnings appropriated	24,233,544	24,233,544
Accumulated other comprehensive loss	4,453,247	(15,491,807)
Total Stockholders' Equity	277,024,273	263,107,100
Total Liabilities and Stockholders' Equity	$ 294,037,818	$ 279,250,985

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.