v3.23.3

Related Party Balance and Transactions (Details) - USD ($)	1 Months Ended	3 Months Ended	12 Months Ended
	Nov. 16, 2021	Sep. 30, 2023	Jun. 30, 2023
Related Party Balance and Transactions (Details) [Line Items]
Company to advance		$ 3,303,424
Allowance changes of changes in exchange rates		382,519	$ 383,672
Company provided allowance		103,424	103,424
Repay amount		10,000
Accounts payable related parties		63,434	63,434
Other payable related parties		$ 104,647	$ 104,962
Mr. Wang Qinggang [Member]
Related Party Balance and Transactions (Details) [Line Items]
Equity method investment ownership percentage		30.00%
Mr. Wang Qinggang [Member]
Related Party Balance and Transactions (Details) [Line Items]
Equity method investment ownership percentage		30.00%
LSM trading Ltd [Member]
Related Party Balance and Transactions (Details) [Line Items]
Equity method investment ownership percentage			40.00%
Rich Trading Co. Ltd [Member]
Related Party Balance and Transactions (Details) [Line Items]
Equity method investment ownership percentage	90.00%
LSM trading Ltd [Member]
Related Party Balance and Transactions (Details) [Line Items]
Company to advance		$ 570,000
Zhejiang Jinbang Fuel Energy Co., Ltd [Member]
Related Party Balance and Transactions (Details) [Line Items]
Company to advance		408,634	$ 458,607
Shanghai Baoyin Industrial Co., Ltd [Member]
Related Party Balance and Transactions (Details) [Line Items]
Company to advance		1,100,000	$ 1,300,000
Rich Trading Co. Ltd [Member]
Related Party Balance and Transactions (Details) [Line Items]
Company to advance	$ 4,500,000
Costs and Expenses, Related Party		3,200,000
Cao Lei [Member]
Related Party Balance and Transactions (Details) [Line Items]
Repay amount		$ 10,000

X

- Definition

Amount for accounts payable to related parties.

+ References

No definition available.

+ Details

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

X

- Definition

The amount of allowance changes of changes in exchange rates.

+ References

No definition available.

+ Details

Name:	sgly_AllowanceChangesOfChangesInExchangeRates
Namespace Prefix:	sgly_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount payable to related parties classified as other.

+ References

No definition available.

+ Details

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

X

- References

No definition available.

+ Details

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

X

- Definition

Costs of sales and operating expenses for the period incurred from transactions with related parties.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2

+ Details

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

X

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481687/323-10-50-3

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(b)(4))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2

+ Details

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

X

- Definition

Amount of transactions with related party during the financial reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483326/850-10-50-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483326/850-10-50-3

+ Details

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

X

- Definition

The cash outflow for the payment of a long-term borrowing made from a related party where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Payments for Advances from Affiliates.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-15

+ Details

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

X

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=sgly_MrWangQinggangMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=sgly_WangQinggangMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=sgly_LSMTradingLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=sgly_RichTradingCoLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InvestmentTypeAxis=sgly_LSMTradingLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=sgly_ZhejiangJinbangFuelEnergyCoLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=sgly_ShanghaiBaoyinIndustrialCoLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=sgly_RichTradingCoLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=sgly_CaoLeiMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: