Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 27,090	$ 15,364
Short-term investments	32,932	69,488
Accounts receivable, net	51,448	52,049
Inventory	52,059	54,573
Prepaid expenses and other current assets	14,630	13,961
Total current assets	178,159	205,435
Property and equipment, net	21,512	22,160
Right-of-use lease assets	7,071	7,645
Other assets	14,136	15,711
Total assets	220,878	250,951
Current liabilities:
Accounts payable	4,065	3,225
Accrued clinical and manufacturing liabilities	21,273	24,468
Accrued payroll and employee liabilities	9,510	13,416
Other accrued liabilities	40,290	38,552
Current lease liabilities	2,762	2,694
Total current liabilities	77,900	82,355
Non-current lease liabilities	4,831	5,499
Non-current convertible notes payable, net	149,335	149,284
Other non-current liabilities	241	241
Total liabilities	232,307	237,379
Stockholders' equity (deficit):
Common stock	1,193	1,191
Additional paid-in capital	1,815,592	1,807,855
Accumulated other comprehensive income (loss)	9	(19)
Accumulated deficit	(1,828,223)	(1,795,455)
Total stockholders' equity (deficit)	(11,429)	13,572
Total liabilities and stockholders' equity (deficit)	$ 220,878	$ 250,951

Carrying value as of the balance sheet date of clinical obligations incurred and payable.

No definition available.

Name:	hrtx_AccruedClinicalLiabilities
Namespace Prefix:	hrtx_
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).