Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Current assets:
Cash	$ 4,857	$ 17,998
Accounts receivable, net	2,460	3,782
Inventory	13,776	13,749
Prepaid and other current assets	2,982	3,190
Total current assets	24,075	38,719
Property and equipment, net	729	685
Intangibles, net	4,371	9,757
Other non-current assets	389	381
Total assets	29,564	49,542
Current liabilities:
Credit facility	4,259	6,948
Accounts payable	3,120	3,080
Seller notes	368	466
Accrued and other current liabilities	6,382	8,804
Total current liabilities	14,129	19,298
Other liabilities	225	227
Total liabilities	14,354	19,525
Commitments and contingencies (Note 12)
Stockholders' equity:
Common stock, $0.0001 par value, 500,000,000 shares authorized and 10,027,046 and 8,750,741 shares outstanding at December 31, 2025 and December 31, 2024, respectively	9	9
Additional paid-in capital	746,414	742,591
Accumulated deficit	(730,661)	(711,677)
Accumulated other comprehensive loss	(552)	(906)
Total stockholders’ equity	15,210	30,017
Total liabilities and stockholders' equity	$ 29,564	$ 49,542

Represents the amount of accrued expenses and other liabilities classified as current.

No definition available.

Name:	ater_AccruedExpensesAndOtherLiabilitiesCurrent
Namespace Prefix:	ater_
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).