Certificates of Deposit - Schedule of Fair Value of Certificates by Remaining Period to Contractual Maturity (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Commercial And Other Loans [Member]
Held to Maturity, After five to ten years, Fair Value	$ 500,000	$ 999,262

Certificate of deposit after five to ten years, fair value.

No definition available.

Name:	SNNY_CertificatesOfDepositDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount
Namespace Prefix:	SNNY_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant