Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 48,823	$ 43,654
Short-term investments	73,821	75,436
Accounts receivable, less allowance for credit losses of $1,096	41,466	33,021
Inventories	43,953	38,964
Prepaid and other current assets	4,222	5,001
Total current assets	212,285	196,076
Long-term investments	51,413	104,338
Property and equipment, net	38,556	31,409
Operating lease right-of-use assets	3,969	4,761
Intangible assets, net	40,078	42,992
Goodwill	234,781	234,781
Other noncurrent assets	829	955
Total Assets	581,911	615,312
Current liabilities:
Accounts payable	24,405	18,597
Accrued liabilities	31,162	36,092
Current maturities of leases	2,031	1,756
Total current liabilities	57,598	56,445
Long-term debt	60,061	59,741
Finance lease liabilities	9,407	10,082
Operating lease liabilities	3,314	4,068
Other noncurrent liabilities	1,223	1,220
Total Liabilities	131,603	131,556
Commitments and contingencies (Note 8)
Stockholders’ Equity:
Common stock, $0.001 par value, 90,000 shares authorized and 46,443 and 46,016 issued and outstanding	46	46
Additional paid-in capital	778,006	764,811
Accumulated other comprehensive loss	(5,295)	(948)
Accumulated deficit	(322,449)	(280,153)
Total Stockholders’ Equity	450,308	483,756
Total Liabilities and Stockholders’ Equity	$ 581,911	$ 615,312

Operating And Finance Lease Liability, Current

No definition available.

Name:	atrc_OperatingAndFinanceLeaseLiabilityCurrent
Namespace Prefix:	atrc_
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).