ProPhase Labs, Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Narrative (Details)

Stockholders' Equity - Narrative (Details) - USD ($)													2 Months Ended	12 Months Ended
Stockholders' Equity - Narrative (Details) - USD ($)	Apr. 06, 2023	Mar. 15, 2023	Jan. 26, 2023	Jan. 12, 2023	Oct. 04, 2022	Jul. 26, 2022	Jun. 03, 2022	May 09, 2022	Feb. 14, 2022	May 20, 2021	Dec. 12, 2019	Apr. 12, 2018	Sep. 30, 2023	Dec. 31, 2023	Dec. 31, 2022	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
Special cash dividend (in dollars per share)								$ 0.30	$ 0.30
Payment to stockholders								$ 4,700,000	$ 4,600,000
Authorized amount		$ 6,000,000				$ 6,000,000
Stock repurchase program, term (in months)		9 months				6 months
Stock repurchased (in shares)														69,628	303,145
Stock repurchased														$ 588,000	$ 2,152,000
Number of shares options granted (in shares)														1,135,000	1,095,000
Number of shares, exercised (in shares)														1,348,000	1,833,000
Vesting period (in years)				5 years
Closing stock price (in dollars per share)														$ 4.52	$ 9.63
Number of shares, forfeited (in shares)														788,000	420,000
Cash payment for repurchase														$ 5,379,000	$ 7,474,000
Treasury stock repurchased (in shares)														603,881
Fair value of stock options granted														$ 4,200,000	$ 6,100,000
Exercise price (in dollars per share)				$ 10.00
Estimated fair value of options at date of grant				$ 300,000
Expected stock price volatility														80.00%	79.00%
Risk-free rate of interest														3.70%	2.50%
Expected term (years)														4 years 8 months 12 days	4 years 6 months
Warrants outstanding, term (in years)														1 year			5 years
Proceeds from exercise of warrants													$ 1,200,000	$ 1,200,000	$ 0
Exercise price (in dollars per share)													$ 3.00
Warrant fair value															$ 0
Share-based compensation expense														3,500,000
Share-based compensation, nonvested award, cost not yet recognized, amount														$ 5,100,000
Weighted average period (in years)														4 years 3 months 18 days
Certain Holders
Offsetting Assets [Line Items]
Number of shares, forfeited (in shares)														744,369
2023 Notes Warrants
Offsetting Assets [Line Items]
Warrants (in shares)			76,000														76,000
Exercise price (in dollars per share)			$ 9.00
Expected stock price volatility			81.50%
Risk-free rate of interest			3.62%
Warrants outstanding, term (in years)			5 years
Warrant, fair value			$ 400,000
Common Stock
Offsetting Assets [Line Items]
Stock repurchased (in shares)														69,628	303,145
Number of shares, exercised (in shares)														603,881	828,021
Shares issued (in shares)															828,021
Shares withheld for tax withholding obligation (in shares)															1,103,000
Issuance of common stock upon exercise of warrant (in shares)														400,000
Warrant
Offsetting Assets [Line Items]
Warrants (in shares)	250,000			50,000
Exercise price (in dollars per share)	$ 9.00
Expected stock price volatility	80.40%			80.90%
Risk-free rate of interest	3.60%			3.50%
Expected term (years)	5 years			5 years
Warrants outstanding, term (in years)	5 years
Warrant, fair value	$ 1,400,000
Issuance of common stock upon exercise of warrant (in shares)													400,000
Inducement Option Award
Offsetting Assets [Line Items]
Exercise price, lower range (in dollars per share)								$ 6.74
Inducement Option Award
Offsetting Assets [Line Items]
Inducement award (in shares)															250,000
Award expiration period (in years)															7 years
Inducement Option Award \| First Installment
Offsetting Assets [Line Items]
Award vesting rights (as a percent)															50.00%
Inducement Option Award \| Second Installment
Offsetting Assets [Line Items]
Award vesting rights (as a percent)															25.00%
Vesting period (in years)															2 years
Inducement Option Award \| Third Installment
Offsetting Assets [Line Items]
Award vesting rights (as a percent)															25.00%
Vesting period (in years)															2 years
Inducement Option Award \| Fourth Installment
Offsetting Assets [Line Items]
Award vesting rights (as a percent)															25.00%
Vesting period (in years)															2 years
Inducement Option Award \| Common Stock
Offsetting Assets [Line Items]
Shares issued (in dollars per share)															$ 13.00
CFO Award \| Minimum
Offsetting Assets [Line Items]
Exercise price, upper range (in dollars per share)											$ 6.74
CFO Award \| Maximum
Offsetting Assets [Line Items]
Exercise price, upper range (in dollars per share)											$ 6.44
Mr. Kamal Obbad \| Inducement Option Award
Offsetting Assets [Line Items]
Shares authorized (in shares)								400,000
2022 Directors Plan
Offsetting Assets [Line Items]
Future issuance (in shares)														210,000					300,000
Number of shares options granted (in shares)														120,000	120,000
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
Amended 2022 Plan
Offsetting Assets [Line Items]
Increase in shares for issuance (in shares)																700,000
2022 Plan
Offsetting Assets [Line Items]
Future issuance (in shares)														1,093,285
Increase in shares for issuance (in shares)																			1,000,000
Amended 2010 Plan
Offsetting Assets [Line Items]
Common stock issued (in shares)										4,900,000
2018 Stock Incentive Plan
Offsetting Assets [Line Items]
Number of shares, exercised (in shares)														1,100,000	1,200,000
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]
Number of shares options granted (in shares)												2,300,000
Shares issued (in shares)												2,300,000
2018 Stock Incentive Plan \| Chief Financial Officer \| CFO Award
Offsetting Assets [Line Items]
Special cash dividend (in dollars per share)							$ 0.30
Inducement award amount							$ 1,600,000
Reversal of stock based compensation expense					$ 149,000