ProPhase Labs, Inc. Annual report [Section 13 and 15(d), not S-K Item 405]

Annual report [Section 13 and 15(d), not S-K Item 405]

Stockholders' Equity - Narrative (Details)

Stockholders' Equity - Narrative (Details) - USD ($)													2 Months Ended	12 Months Ended
Stockholders' Equity - Narrative (Details) - USD ($)	Nov. 21, 2024	Nov. 12, 2024	Apr. 15, 2024	Jan. 01, 2024	Apr. 06, 2023	Mar. 15, 2023	Jan. 12, 2023	Jul. 26, 2022	Jun. 03, 2022	Dec. 28, 2021	May 20, 2021	Apr. 12, 2018	Sep. 30, 2023	Dec. 31, 2024	Dec. 31, 2023	Jun. 16, 2023	Jan. 27, 2023	Jan. 03, 2023	May 19, 2022
Offsetting Assets [Line Items]
Common stock, authorized (in shares)														50,000,000	50,000,000
Common stock, par or stated value (in dollars per share)														$ 0.0005	$ 0.0005			$ 0.0005
Preferred stock, authorized (in shares)														1,000,000	1,000,000
Preferred stock, par or stated value (in dollars per share)														$ 0.0005	$ 0.0005
Preferred stock, issued (in shares)														0	0
Dividends declared														$ 0
Authorized amount						$ 6,000,000.0		$ 6,000,000.0
Stock repurchase program, term (in months)						9 months		6 months
Stock repurchased (in shares)														0	69,628
Stock repurchased															$ 588,000
Offering cost incurred														$ 577,000
Closing stock price (in dollars per share)														$ 0.76	$ 4.52
Exercise price (in dollars per share)													$ 3.00
Issuance of treasury shares as collateral for a loan (in shares)	6,000,000													6,000,000
Shares issued (in shares)														1,840,000	1,135,000
Number of shares, forfeited (in shares)														910,000	788,000
Issuance of common stock upon stock options cashless exercise (in shares)															1,348,000
Vesting period (in years)			4 years				5 years
Fair value of stock options granted														$ 5,500,000	$ 4,200,000
Cash payment for repurchase														$ 0	$ 5,379,000
Estimated fair value of options at date of grant		$ 117,000					$ 300,000
Expected stock price volatility														80.00%	80.00%
Risk-free rate of interest														4.20%	3.70%
Expected term (years)														4 years 6 months	4 years 8 months 12 days
Proceeds from exercise of warrants													$ 1,200,000	$ 0	$ 1,200,000
Exercise price (in dollars per share)							$ 10.00
Warrants outstanding, term (in years)															1 year		5 years
Prepaid expenses and other current assets														2,615,000	$ 1,955,000
Share-based compensation expense														3,600,000	$ 3,500,000
Share-based compensation, nonvested award, cost not yet recognized, amount														$ 5,200,000
Weighted average period (in years)														3 years 3 months 18 days
Representative's Warrants
Offsetting Assets [Line Items]
Expected stock price volatility		85.60%
Risk-free rate of interest		4.30%
Expected term (years)		5 years
2023 Notes Warrants
Offsetting Assets [Line Items]
Warrants (in shares)																	76,000
Certain Holders
Offsetting Assets [Line Items]
Number of shares, forfeited (in shares)															744,369
Common Stock
Offsetting Assets [Line Items]
Stock repurchased (in shares)															69,628
Issuance of treasury shares as collateral for a loan (in shares)														6,000,000
Common stock issued (in shares)														5,829,000
Issuance of common stock upon stock options cashless exercise (in shares)															603,881
Shares issued (in shares)															603,881
Shares withheld for tax withholding obligation (in shares)															603,881
Issuance of common stock upon exercise of warrant (in shares)															400,000
Warrant
Offsetting Assets [Line Items]
Warrants (in shares)					250,000		50,000
Expected stock price volatility					80.40%		80.90%
Risk-free rate of interest					3.60%		3.50%
Expected term (years)					5 years		5 years
Issuance of common stock upon exercise of warrant (in shares)													400,000
Exercise price (in dollars per share)					$ 9.00
Warrants outstanding, term (in years)					5 years
Warrant, fair value					$ 1,400,000
Prepaid expenses and other current assets														$ 600,000
Chief Operating Officer \| Inducement Option Award
Offsetting Assets [Line Items]
Shares issued (in shares)				500,000
Exercise price, lower range (in dollars per share)				$ 6.00
Award expiration period (in years)				7 years
Fair value of stock options granted				$ 1,300,000
Chief Operating Officer \| Inducement Option Award \| First Installment
Offsetting Assets [Line Items]
Award vesting rights (as a percent)				25.00%
Chief Operating Officer \| Inducement Option Award \| Second Installment
Offsetting Assets [Line Items]
Award vesting rights (as a percent)				25.00%
Vesting period (in years)				3 years
Chief Operating Officer \| Inducement Option Award \| Fourth Installment
Offsetting Assets [Line Items]
Award vesting rights (as a percent)				25.00%
Vesting period (in years)				3 years
Chief Operating Officer \| Inducement Option Award \| Third Installment
Offsetting Assets [Line Items]
Award vesting rights (as a percent)				25.00%
Vesting period (in years)				3 years
Employee \| Inducement Option Award
Offsetting Assets [Line Items]
Shares issued (in shares)			50,000												0
Exercise price, lower range (in dollars per share)			$ 6.20
Award expiration period (in years)			7 years
Fair value of stock options granted			$ 201,000
Employee \| Inducement Option Award \| First Installment
Offsetting Assets [Line Items]
Award vesting rights (as a percent)			25.00%
Employee \| Inducement Option Award \| Second Installment
Offsetting Assets [Line Items]
Award vesting rights (as a percent)			25.00%
Employee \| Inducement Option Award \| Fourth Installment
Offsetting Assets [Line Items]
Award vesting rights (as a percent)			25.00%
Employee \| Inducement Option Award \| Third Installment
Offsetting Assets [Line Items]
Award vesting rights (as a percent)			25.00%
2022 Directors Plan
Offsetting Assets [Line Items]
Future issuance (in shares)														300,000					300,000
Shares issued (in shares)														210,000	120,000
Number of shares, forfeited (in shares)														300,000
Amended 2022 Directors' Plan
Offsetting Assets [Line Items]
Increase in shares for issuance (in shares)																150,000
Amended 2010 Directors' Plan
Offsetting Assets [Line Items]
Shares authorized (in shares)											775,000
2022 Plan
Offsetting Assets [Line Items]
Future issuance (in shares)														405,785
Increase in shares for issuance (in shares)																			1,000,000
Shares issued (in shares)														1,080,000	1,015,000
Amended 2022 Plan
Offsetting Assets [Line Items]
Increase in shares for issuance (in shares)																700,000
Amended 2010 Plan
Offsetting Assets [Line Items]
Common stock issued (in shares)											4,900,000
2018 Stock Incentive Plan
Offsetting Assets [Line Items]
Issuance of common stock upon stock options cashless exercise (in shares)														0	1,100,000
2018 Stock Incentive Plan \| CEO Options
Offsetting Assets [Line Items]
Exercise price, lower range (in dollars per share)									$ 0.60
2018 Stock Incentive Plan \| Chief Executive Officer
Offsetting Assets [Line Items]
Shares issued (in shares)												2,300,000
Shares issued (in shares)												2,300,000
Public Offering
Offsetting Assets [Line Items]
Number of shares of common stock sold (in shares)		4,795,000
Sale of stock, consideration received on transaction		$ 3,000,000.0
Closing stock price (in dollars per share)		$ 0.72
Sale of stock, consideration received on transaction, gross		$ 3,500,000
Net of offering cost		$ 500,000
Warrant percentage		5.00%
Public Offering \| Representative's Warrants
Offsetting Assets [Line Items]
Warrants (in shares)		239,750
Exercise price (in dollars per share)		$ 0.90
Number of days from commencement of warrant		180 days
Warrants outstanding, term (in years)		4 years 6 months
Over-Allotment Option
Offsetting Assets [Line Items]
Number of shares of common stock sold (in shares)		625,000
ThinkEquity LLC \| At the Market Offering
Offsetting Assets [Line Items]
Offering Cost										$ 100,000,000
Number of shares of common stock sold (in shares)														1,033,500
Sale of stock, consideration received on transaction														$ 4,600,000
Offering cost incurred														$ 94,000