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10. SHAREHOLDERS' EQUITY (Details 2) - Warrant - $ / shares | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2020 | Dec. 31, 2019
Outstanding Warrants, Beginning Balance | 17,240,523 | 26,550,611
Granted, Warrants | 1,441,667 | 1,300,000
Exercised, Warrants | (83,333) | 0
Expired, Warrants | (1,799,999) | (10,610,088)
Outstanding Warrants, Ending Balance | 16,798,858 | 17,240,523
Outstanding Weighted Average Exercise Price, Beginning balance | $ 0.39 | $ 0.34
Granted, Weighted Average Exercise Price | 0.12 | 0.11
Exercised, Weighted Average Exercise Price | (0.69) | 0.00
Expired, Weighted Average Exercise Price | (0.47) | (0.23)
Outstanding Weighted Average Exercise Price, Ending balance | $ 0.36 | $ 0.39

X
- References No definition available. + Details
Name: | TOMI_ExercisedWarrants
Namespace Prefix: | TOMI_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | TOMI_ExercisedWeightedAverageExercisePrice
Namespace Prefix: | TOMI_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Custom Element. + References No definition available. + Details
Name: | TOMI_ExpiredWarrants1
Namespace Prefix: | TOMI_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Custom Element. + References No definition available. + Details
Name: | TOMI_ExpiredWeightedAverageExercisePrice
Namespace Prefix: | TOMI_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Granted warrants. + References No definition available. + Details
Name: | TOMI_GrantedWarrants
Namespace Prefix: | TOMI_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Custom Element. + References No definition available. + Details
Name: | TOMI_GrantedWeightedAverageExercisePrice1
Namespace Prefix: | TOMI_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share based compensation arrangement by share based payment award warrant outstanding number. + References No definition available. + Details
Name: | TOMI_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantOutstandingNumber
Namespace Prefix: | TOMI_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Custom Element. + References No definition available. + Details
Name: | TOMI_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantOutstandingWeightedAverageExercisePrice1
Namespace Prefix: | TOMI_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_PlanNameAxis=us-gaap_WarrantMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |