Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
CURRENT ASSETS:
Cash and cash equivalents	$ 2,501	$ 4,360
Prepaid expenses	311	192
Other current assets	246	112
Total current assets	3,058	4,664
Intangible and other assets, net	623	695
Total assets	3,681	5,359
CURRENT LIABILITIES:
Accounts payable	500	522
Accrued expenses:
Salaries and wages	43	49
Professional fees	115	47
Other accrued expenses	433	422
Convertible notes, current portion	1,050	1,225
Total current liabilities	2,270	2,409
LONG-TERM LIABILITIES:
Secured contingent payment obligation	39,010	39,650
Unsecured contingent payment obligations	5,753	6,439
Convertible notes, net of current portion	1,258	1,908
Related party note payable, net of current portion	0	57
Total long-term liabilities	46,021	48,054
Total liabilities	48,291	50,463
COMMITMENTS AND CONTINGENCIES
SHAREHOLDERS' DEFICIT:
Common stock, $0.01 par value, 225,000 shares authorized, 147,792 and 143,156 shares issued and outstanding at June 30, 2026 and December 31, 2025, respectively	1,478	1,432
Additional paid-in capital	410,925	409,072
Accumulated deficit	(457,013)	(455,608)
Total shareholders' deficit	(44,610)	(45,104)
Total liabilities and shareholders' deficit	3,681	5,359
Related Party [Member]
Accrued expenses:
Related party note payable, current portion	$ 129	$ 144

Sum of the carrying amounts of all intangible assets and other noncurrent assets.

No definition available.

Name:	prkr_IntangibleAssetsAndOtherNoncurrentAssetsNet
Namespace Prefix:	prkr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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).