Note 4 - Investment in Affiliate (Details Textual) - HC Government Realty Trust, Inc [Member] - Series B Cumulative Convertible Preferred Stock [Member] - USD ($) $ / shares in Units, $ in Thousands	Mar. 19, 2019	Sep. 30, 2021	Dec. 31, 2020
Preferred Stock, Dividend Rate, Percentage	10.00%
Equity Method Investment, Aggregate Cost		$ 10,250	$ 10,250
Convertible Preferred Stock of Investee, Shares Issued Upon Conversion (in shares)		1	1
Convertible Preferred Stock, Maximum Conversion Price (in dollars per share)		$ 9.10	$ 9.10

Represents the maximum conversion price per share of convertible preferred stock.

No definition available.

Name:	stly_ConvertiblePreferredStockMaximumConversionPrice
Namespace Prefix:	stly_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the number of common shares issued or issuable for each share of the investee's convertible preferred stock.

+ References

No definition available.

+ Details

Name:	stly_ConvertiblePreferredStockOfInvesteeSharesIssuedUponConversion
Namespace Prefix:	stly_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

This element represents the aggregate cost of investments accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.12)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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

- Definition

The percentage rate used to calculate dividend payments on preferred stock.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644

+ Details

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

- Details

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

- Details

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