Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Current assets
Cash and cash equivalents	$ 14,948	$ 18,563
Prepaid expenses and other current assets	1,252	748
Total current assets	16,200	19,311
Property and equipment, net	249	295
Operating lease, right-of-use assets	4,539	4,782
Restricted cash, noncurrent	706	704
Other long-term prepaid assets	995	770
Total assets	22,689	25,862
Current liabilities
Accounts payable	272	672
Accrued expenses	5,915	6,427
Operating lease liability, current	1,042	1,011
Total current liabilities	7,229	8,110
Warrant liabilities	3,599	2,615
Operating lease liability, noncurrent	3,823	4,094
Long-term debt, net	9,475	9,407
Total liabilities	24,126	24,226
Commitments and contingencies - Note 9
Stockholders' (deficit) equity:
Common stock, $0.01 par value per share; 300,000,000 shares authorized; 18,654,350 shares and 17,814,762 shares issued at March 31, 2026 and December 31, 2025, respectively; 18,639,895 and 17,800,307 outstanding as of March 31, 2026 and December 31, 2025, respectively	186	178
Treasury stock, at cost, 14,455 shares outstanding	(150)	(150)
Additional paid-in capital	244,144	235,407
Accumulated other comprehensive loss	(122)	(127)
Accumulated deficit	(245,495)	(233,672)
Total stockholders' (deficit) equity	(1,437)	1,636
Total liabilities and stockholders’ equity (deficit)	$ 22,689	$ 25,862

Warrant Liability

No definition available.

Name:	eltx_WarrantLiability
Namespace Prefix:	eltx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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).