Condensed Consolidated Balance Sheets - USD ($)	Jun. 30, 2026	Dec. 31, 2025
Current assets:
Cash and cash equivalents	$ 39,000	$ 20,000
Prepaid expenses	1,103,000	576,000
Other current assets	51,000	0
Total current assets	1,193,000	596,000
Non-current assets:
Property and equipment, net	750,000	750,000
Total assets	1,943,000	1,346,000
Current liabilities:
Accounts payable	6,918,000	5,912,000
Accrued expenses	1,647,000	739,000
Promissory notes	2,107,000	3,517,000
Total current liabilities	10,672,000	10,168,000
Non-current liabilities:
Related party loan	20,944,000	11,928,000
Total liabilities	31,616,000	22,096,000
Commitments and contingencies (See Note 4)
Stockholders' deficit:
Preferred stock, $0.0001 par value, 45,000,000 shares authorized as of June 30, 2026 and December 31, 2025; 5,423,606 shares issued and outstanding as of June 30, 2026 and December 31, 2025	1,000	1,000
Common stock, $0.0001 par value, 740,000,000 shares authorized as of June 30, 2026 and December 31, 2025 ; 230,209,142 shares issued and outstanding as of June 30, 2026 and December 31, 2025	23,000	23,000
Additional paid-in capital	255,026,000	255,026,000
Accumulated deficit	(284,723,000)	(275,800,000)
Total stockholders' deficit	(29,673,000)	(20,750,000)
Total liabilities and stockholders' deficit	$ 1,943,000	$ 1,346,000

Related party loans, noncurrent.

No definition available.

Name:	smnr_RelatedPartyLoansNoncurrent
Namespace Prefix:	smnr_
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).