Condensed Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 10,311	$ 6,535
Accounts receivable, net	886	863
Inventory, net	607	606
Prepaid expenses and other current assets	186	206
Total current assets	11,990	8,210
Property and equipment, net	698	752
Deposits	51	51
Operating lease right-of-use asset	334	399
Deferred offering costs	321	431
TOTAL ASSETS	13,394	9,843
Current liabilities:
Accounts payable	496	369
Accrued expenses	911	910
Current portion of accrued commissions	493	303
Current portion of operating lease liability	295	287
Total current liabilities	2,195	1,869
Accrued commissions, net of current portion	1,758	1,862
Operating lease liability, net of current portion	65	141
Total liabilities	4,018	3,872
Commitments and contingencies (Note 7)
Stockholders’ equity:
Common stock, $0.001 par value; 130,000,000 shares authorized at March 31, 2025 and December 31, 2024; 7,589,965 and 3,138,804 shares issued and outstanding at March 31, 2025 and December 31, 2024, respectively	8	3
Additional paid-in capital	77,978	70,962
Accumulated deficit	(72,362)	(68,746)
Total stockholders’ equity	9,376	5,971
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	13,394	9,843
Series A Convertible Preferred Stock
Stockholders’ equity:
Convertible preferred stock, value	3,300	3,300
Series B Convertible Preferred Stock
Stockholders’ equity:
Convertible preferred stock, value	$ 452	$ 452

Accrued commissions non current.

No definition available.

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Namespace Prefix:	tnon_
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).