Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net income (loss)	$ 71,158	$ 734,425
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Non-controlling interest	(236,167)	(498)
Depreciation - fixed assets	26,122	35,923
Amortization of intangible assets	36,886	15,752
Foreign currency transaction gain (loss)	1,937	(22,959)
Changes in operating assets and liabilities:
Account receivable, net	(712,964)	(692,439)
Prepaid expenses and other current assets	(210,119)	(591,635)
Deposit	(64,865)	(251,966)
Deferred taxes	0	349,108
Account payable	164,864	(95,727)
Accrued expenses and other	(372,266)	(172,896)
Value added tax payable	(178,912)	(46,053)
Income tax payable	(47,146)	(30,826)
Net cash used in operating activities	(1,521,472)	(769,791)
Cash flows from investing activities:
Purchase of short-term investments	(24,332)	(16,104)
Purchase of investments	(162,214)	0
Purchases of property and equipment	(39,759)	(27,010)
Purchases of intangible assets	(11,875)	(3,607)
Loan provided under short-term loan receivables	(150,605)	0
Net cash used in investing activities	(388,785)	(46,721)
Cash flows from financing activities:
Principal payments on long-term debt	0	(156,549)
Net proceeds of government grants	247,517	232,039
Net cash provided by financing activities	247,517	75,490
Effect of foreign currency translation on cash and cash equivalents	(288,821)	(395,426)
Net decrease in cash and cash equivalents	(1,951,561)	(1,136,448)
Cash and cash equivalents including restricted cash, beginning of period	5,308,644	6,272,652
Cash and cash equivalents including restricted cash, end of period	3,357,083	5,131,204
Supplemental disclosure of cash flow information:
Interest paid	3,966	8,354
Taxes paid	$ 14,006	$ 15,947