No definition available.

Name:	sgly_BankDeposit
Namespace Prefix:	sgly_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of cash balances.

+ References

No definition available.

+ Details

Name:	sgly_CashBalances
Namespace Prefix:	sgly_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Construction taxes rate percentage.

+ References

No definition available.

+ Details

Name:	sgly_ConstructionTaxesRatePercentage
Namespace Prefix:	sgly_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of receivables and allowance for doubtful accounts.

+ References

No definition available.

+ Details

Name:	sgly_DescriptionOfReceivablesAndAllowanceForDoubtfulAccounts
Namespace Prefix:	sgly_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Education surcharges rate percentage.

+ References

No definition available.

+ Details

Name:	sgly_EducationSurchargesRatePercentage
Namespace Prefix:	sgly_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	sgly_EquityInterestPercentage
Namespace Prefix:	sgly_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

+ References

No definition available.

+ Details

Name:	sgly_GovernmentGuaranteesDeposits
Namespace Prefix:	sgly_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.

+ Details

Name:	sgly_InsuredEachDepositorAtOneBank
Namespace Prefix:	sgly_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- References

No definition available.

+ Details

Name:	sgly_OwnershipInterest
Namespace Prefix:	sgly_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of income tax.

+ References

No definition available.

+ Details

Name:	sgly_PercentageOfIncomeTax
Namespace Prefix:	sgly_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of net income.

+ References

No definition available.

+ Details

Name:	sgly_PercentageOfNetIncome
Namespace Prefix:	sgly_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	sgly_SummaryofSignificantAccountingPoliciesDetailsLineItems
Namespace Prefix:	sgly_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Value added tax percentage.

+ References

No definition available.

+ Details

Name:	sgly_ValueAddedTaxPercentage
Namespace Prefix:	sgly_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	sgly_VotingPercentage
Namespace Prefix:	sgly_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation.

+ References

No definition available.

+ Details

Name:	us-gaap_CashFDICInsuredAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of cash as of the balance sheet date that is not insured by the Federal Deposit Insurance Corporation.

+ References

No definition available.

+ Details

Name:	us-gaap_CashUninsuredAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of a specific compensating balance arrangement that is maintained under an agreement for a bank loan or future credit availability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(1))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_CompensatingBalanceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of expense for Federal Deposit Insurance Corporation (FDIC) insurance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.14)
-URI https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260

+ Details

Name:	us-gaap_FederalDepositInsuranceCorporationPremiumExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The difference between the carrying value and the sale price of an investment. A loss would be recognized when the sale price of the investment is less than the carrying value of the investment. This element refers to the Loss included in earnings and not to the cash proceeds of the sale.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(b)(9)(a))
-URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(3)(a))
-URI https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04(13))
-URI https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(b)(7)(c))
-URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227

+ Details

Name:	us-gaap_LossOnSaleOfInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount, after investment expense, of income earned from investments in securities and real estate. Includes, but is not limited to, real estate investment, policy loans, dividends, and interest. Excludes realized gain (loss) on investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(2))
-URI https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263

+ Details

Name:	us-gaap_NetInvestmentIncome
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Stated interest rate of the subordinated debt.

+ References

No definition available.

+ Details

Name:	us-gaap_SubordinatedBorrowingInterestRate
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=country_CN
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=country_US
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=country_HK
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=country_AU
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Summary of Significant Accounting Policies (Details)	3 Months Ended	6 Months Ended		12 Months Ended
Summary of Significant Accounting Policies (Details)	Dec. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2022 CNY (¥)	Dec. 31, 2022 HKD ($)	Dec. 31, 2022 AUD ($)	Jan. 10, 2020
Summary of Significant Accounting Policies (Details) [Line Items]
Net income, percentage			90.00%
Insured each depositor at one bank	$ 70,000	$ 70,000			¥ 500,000
Federal deposit insurance corporation expenses		250,000
Bank deposit	64,000	64,000				$ 500,000
Government guarantees deposits	172,000	172,000					$ 250,000
Deposits covered by insurance	$ 1,430,354	$ 1,430,354		$ 1,961,997
Description of receivables and allowance for doubtful accounts		Receivables are generally considered past due after 180 days. The Company reserves 25%-50% of the customers balance aged between 181 days to 1 year, 50%-100% of the customers balance over 1 year and 100% of the customers balance over 2 years. Accounts receivable are written off against the allowances only after exhaustive collection efforts.
Ownership interest	20.00%	20.00%			20.00%	20.00%	20.00%
Equity interest								40.00%
Investment				210,000
Investment loss	$ 31,844	$ 34,458		47,181
Balance amount	$ 204,442	$ 204,442	$ 72,095
Incremental borrowing rate		7.00%
Percentage of income tax		25.00%
Percentage of construction taxes		7.00%
Percentage of education surcharges		3.00%
Minimum [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Voting percentage	20.00%	20.00%			20.00%	20.00%	20.00%
Value added tax percentage		9.00%
Maximum [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Voting percentage	50.00%	50.00%			50.00%	50.00%	50.00%
Value added tax percentage		13.00%
China [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Cash balances	$ 86,621	$ 86,621		143,044
Balances not covered by insurance
U.S. [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Cash balances	35,978,756	35,978,756		55,636,636
Balances not covered by insurance	34,637,312	34,637,312		53,869,575
Hong Kong [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Cash balances	2,289	2,289		51,701
Australia [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Cash balances				$ 192