INTERIM CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Current assets
Cash and cash equivalents	$ 7,716	$ 3,880
Restricted cash	0	200
Trade receivables	109	278
Due from manager	$ 1,743	$ 0
Other Receivable, after Allowance for Credit Loss, Current, Related Party [Extensible Enumeration]	Related Party [Member]	Related Party [Member]
Inventories	$ 319	$ 314
Prepayments and advances	299	329
Other current assets	202	32
Total current assets	10,388	5,033
Non-current assets
Vessels, net	49,547	51,268
Restricted cash	500	500
Investments in equity securities	493	0
Deferred drydocking costs, net	3,628	1,409
Deferred issuance costs	287	234
Total non-current assets	54,455	53,411
Total assets	64,843	58,444
Current liabilities
Current portion of long term debt, net of deferred financing costs	3,049	2,280
Due to manager	$ 0	$ 178
Other Liability, Current, Related Party [Extensible Enumeration]	Related Party [Member]	Related Party [Member]
Accounts payable	$ 2,009	$ 1,363
Deferred revenue	448	140
Accrued liabilities	1,201	626
Total current liabilities	6,707	4,587
Non-current liabilities
Non-current portion of long term debt, net of deferred financing costs	30,772	32,479
Total non-current liabilities	30,772	32,479
Total liabilities	37,479	37,066
Commitments and contingencies
Shareholders' equity
Common shares: authorized 750,000,000 shares with a $0.001 par value, 3,870,396 shares issued (of which 3,759,314 shares outstanding) as of June 30, 2026 and 691,977 shares issued and outstanding as of December 31, 2025	4	1
Preferred Shares: authorized 250,000,000 shares with $0.001 par value, 21,390 and 18,954 Series A Preferred Shares issued and outstanding as of June 30, 2026 and December 31, 2025, respectively, 1,500,000 Series B Preferred Shares, and nil Series C Preferred Shares issued and outstanding as of June 30, 2026 and December 31, 2025	2	2
Additional paid-in capital	31,901	25,444
Cost of treasury stock (111,082 common shares as of June 30,2026 and nil as of December 31, 2025)	(107)	0
Accumulated Deficit	(4,436)	(4,069)
Total shareholders' equity	27,364	21,378
Total shareholders' equity and liabilities	$ 64,843	$ 58,444

Amount of deferred cost related to issuance of stocks; classified as noncurrent.

No definition available.

Name:	icon_DeferredIssuanceCosts
Namespace Prefix:	icon_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).