Consolidated Balance Sheets - USD ($)	Dec. 31, 2021	Dec. 31, 2020
CURRENT ASSETS
Cash	$ 541,171	$ 671,091
Marketable securities	9,830,085
Prepaid expenses and other current assets	688,667	208,156
TOTAL CURRENT ASSETS	11,059,923	879,247
TOTAL ASSETS	11,059,923	879,247
CURRENT LIABILITIES
Accounts payable and accrued expenses	499,535	571,517
Accounts payable and accrued expenses – related party	300,000
Derivative liability		83,670
TOTAL CURRENT LIABILITIES	799,535	655,187
PIK convertible notes payable, net of debt discount	132,284	1,081,384
PIK convertible notes payable, net of debt discount - related parties	186,149	292,412
TOTAL LIABILITIES	1,117,968	2,028,983
STOCKHOLDERS’ EQUITY (DEFICIT)
Common stock, $.0001 par value, 100,000,000 shares authorized, 17,209,612 and 10,360,480 shares issued and outstanding at December 31, 2021, and December 31, 2020	1,722	1,036
Additional paid-in-capital	32,410,452	16,719,749
Accumulated deficit	(22,221,870)	(17,698,936)
Accumulated other comprehensive loss	(248,349)	(171,586)
TOTAL STOCKHOLDERS’ EQUITY (DEFICIT)	9,941,955	(1,149,736)
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY (DEFICIT)	11,059,923	879,247
Preferred Stock [Member]
STOCKHOLDERS’ EQUITY (DEFICIT)
Preferred stock
Series B Convertible Preferred Stock [Member]
STOCKHOLDERS’ EQUITY (DEFICIT)
Preferred stock		$ 1

Accounts payable and accrued liabilities related party current.

No definition available.

Name:	PTIX_AccountsPayableAndAccruedLiabilitiesRelatedPartyCurrent
Namespace Prefix:	PTIX_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.