Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities
Net income (loss)	$ (2,156,679)	$ 1,963,469
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization expense	852,883	869,407
Non-cash lease expense	172,314	117,824
Allowance for doubtful accounts	2,564,686
Impairment loss on intangible asset	979,428
Impairment loss on goodwill	863,833
Changes in operating assets and liabilities
Accounts receivable	(2,417,438)	(124,843)
Inventories	(76,524)	66,424
Prepayments and other current assets, net	(1,033,644)	(1,755,603)
Due from related parties	24,958	356,225
Deposits paid, net	(251,545)	(1,591,577)
Accounts payable	482,213	(18,632)
Due to related parties	(162,018)	118,009
Customer advances	(218,717)	(210,259)
Accrued liabilities	531,332	189,812
Income tax payable	15,660	(300,140)
Operating lease obligations	(163,815)	(137,258)
Cash provided by (used in) operating activities	6,927	(457,142)
Cash flows from investing activities
Acquisition of intangible asset	(7,511)	(28,008)
Repayment of advance to related parties		614,275
Purchase of property and equipment	(2,599)	(117,077)
Net cash provided by (used in) investing activities	(10,110)	469,190
Cash flows from financing activities
Borrowings from related parties		464,958
Borrowings from a revolving credit line	148,606
Borrowings from bank loans	135,499	77,609
Borrowings from a third party	80,338
Repayments to related parties	(154,510)	(684,784)
Repayments to bank loans	(61,184)
Repayments to a third party	(82,629)	(49,817)
Net cash provided by (used in) financing activities	66,120	(192,034)
Effect of exchange rate changes on cash and cash equivalents	(20,415)	53,312
Net changes in cash and cash equivalents	42,522	(126,674)
Cash and cash equivalents–beginning of the year	123,163	249,837
Cash and cash equivalents–end of the year	165,685	123,163
Supplementary cash flow information:
Interest paid	31,444	17,816
Income taxes paid	166,516	444,376
Non-cash investing and financing activities
Expenses paid by related parties on behalf of the Company	135,774	344,218
Remeasurement of the operating lease obligation and right-of-use asset due to lease modification		41,010
Operating lease right-of-use assets obtained in exchange for operating lease obligations	$ 94,285	$ 319,092