Summary of Significant Accounting Policies, Segment Reporting (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2022 USD ($) Area	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) Area	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Segment Reporting [Abstract]
Number of geographic areas | Area	2		2
Consolidated Financial Statements by Geographic Areas [Abstract]
Current assets	$ 11,024,176		$ 11,024,176		$ 12,440,710
Non-current assets	2,008,145		2,008,145		1,965,736
Current liabilities	3,127,101		3,127,101		3,516,117
Net sales	2,854,670	$ 4,559,135	5,320,298	$ 8,608,659
Reportable Geographical Areas [Member] | Korea [Member]
Consolidated Financial Statements by Geographic Areas [Abstract]
Current assets	10,551,277		10,551,277		11,837,539
Non-current assets	2,007,920		2,007,920		1,965,469
Current liabilities	2,807,055		2,807,055		3,130,606
Net sales	2,527,454	4,211,656	4,744,892	7,901,637
Reportable Geographical Areas [Member] | Japan [Member]
Consolidated Financial Statements by Geographic Areas [Abstract]
Current assets	472,899		472,899		603,171
Non-current assets	225		225		267
Current liabilities	320,046		320,046		$ 385,511
Net sales	$ 327,216	$ 347,479	$ 575,406	$ 707,022