0001210708 2026-02-27 2026-02-27 0001210708 us-gaap:CommonStockMember exch:XNAS 2026-02-27 2026-02-27 0001210708 us-gaap:PreferredClassAMember exch:XNAS 2026-02-27 2026-02-27 0001210708 hson:PreferredSharePurchaseRightsMember exch:XNAS 2026-02-27 2026-02-27 0001210708 false true 8-K 2026-02-27 Star Equity Holdings, Inc. DE 001-38704 59-3547281 53 Forest Avenue Suite 101 Old Greenwich CT 06870 203 489-9500 false false false false Common Stock, $0.001 par value STRR NASDAQ Series A Preferred Stock, $0.001 par value STRRP NASDAQ Preferred Share Purchase Rights false