Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 13,136	$ 22,459
Accounts receivable	0	945
Deposits, current portion	912	929
Prepaid expenses and other current assets	1,883	805
Total current assets	15,931	25,138
Property and equipment, net	523	471
Operating lease right-of-use asset	3,589	4,370
Deposits	1,956	1,955
Restricted cash	153	152
Other long-term assets	102	105
Total assets	22,254	32,191
Current liabilities:
Accounts payable	3,784	2,823
Accrued expenses	4,230	2,908
Other payable	535	0
Research and development contract liability, current portion	0	85
Operating lease liabilities, current	3,575	3,540
Current portion of long-term debt, net	3,374	4,333
Total current liabilities	15,498	13,689
Operating lease liabilities, non-current	176	1,003
Total liabilities	15,674	14,692
Commitments and contingencies (Note 11)
Stockholders' equity:
Preferred stock, $0.001 par value; 10,000,000 shares authorized and 0 shares issued and outstanding at March 31, 2025 and December 31, 2024	0	0
Common stock, $0.001 par value; 200,000,000 shares authorized; 61,819,101 shares issued and outstanding, at March 31, 2025 and December 31, 2024	62	62
Additional paid in capital	360,639	359,301
Accumulated deficit	(354,121)	(341,864)
Total stockholders' equity	6,580	17,499
Total liabilities and stockholders' equity	$ 22,254	$ 32,191

Research and development contract liability, current.

No definition available.

Name:	cue_ResearchAndDevelopmentContractLiabilityCurrent
Namespace Prefix:	cue_
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).