Stock-Based Compensation - Narrative (Details)	12 Months Ended
Stock-Based Compensation - Narrative (Details)	Dec. 31, 2025 USD ($) tradingDay $ / shares shares	Dec. 31, 2024 $ / shares
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Minimum period for non-cash exchange of previously issued shares in exchange for newly issued shares	6 months
Restricted stock awards - Performance Based Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	20 months
Unrecognized stock-based compensation expenses	$ 0
Service Based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized stock-based compensation expenses	$ 700,000
Period of recognition for unrecognized stock-based compensation expenses	1 year 2 months 12 days
Granted (in shares) \| shares	1,025,000
Service Based Restricted Stock Units \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	1 year
Service Based Restricted Stock Units \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
Restricted Stock Units- Market Condition
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized stock-based compensation expenses	$ 500,000
Period of recognition for unrecognized stock-based compensation expenses	2 years 4 months 24 days
Granted (in shares) \| shares	717,000
Shares granted, grant date fair value	$ 600,000
Share price (equals or exceeds) \| $ / shares	$ 2.14
Consecutive trading days \| tradingDay	60
Stock Option Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized stock-based compensation expenses	$ 0
Period of recognition for unrecognized stock-based compensation expenses	2 years 3 months 18 days
Weighted average grant date fair value (in dollars per share) \| $ / shares	$ 0.86	$ 1.03
Unrecognized stock-based compensation expenses	$ 900,000
2018 LTIP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement, number of shares authorized (in shares) \| shares	7,618,182
Share-based compensation arrangement, number of shares available for grant (in shares) \| shares	1,944,938

ROCKWELL MEDICAL, INC. 10-K