XML 47 R47.htm IDEA: XBRL DOCUMENT v2.4.1.9

Organization and Summary of Significant Accounting Policies - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share For Out of Money Potential Common Shares (Parenthetical) (Detail) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	May 10, 2012
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Warrants exercise price per share				$ 3.60us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Stock Options With an Exercise Price of $1.74 per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options exercise price per share	$ 1.74invest_InvestmentOptionsExercisePrice / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = omex_StockOptionsWithExercisePriceOfOnePointSevenFourMember
Stock Options With an Exercise Price of $2.20 per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options exercise price per share	$ 2.20invest_InvestmentOptionsExercisePrice / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = omex_StockOptionsWithExercisePriceOfTwoPointTwoZeroMember
Stock Options With an Exercise Price of $2.73 per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options exercise price per share	$ 2.73invest_InvestmentOptionsExercisePrice / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = omex_StockOptionsWithExercisePriceOfTwoPointSevenThreeMember
Stock Options With an Exercise Price of $2.74 per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options exercise price per share	$ 2.74invest_InvestmentOptionsExercisePrice / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = omex_StockOptionsWithExercisePriceOfTwoPointSevenFourMember
Stock Options With an Exercise Price of $2.89 per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options exercise price per share	$ 2.89invest_InvestmentOptionsExercisePrice / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = omex_StockOptionsWithExercisePriceOfTwoPointEightNineMember
Stock Options With an Exercise Price of $3.25 per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options exercise price per share	$ 3.25invest_InvestmentOptionsExercisePrice / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = omex_StockOptionsWithExercisePriceOfThreePointTwoFiveMember	$ 3.25invest_InvestmentOptionsExercisePrice / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = omex_StockOptionsWithExercisePriceOfThreePointTwoFiveMember
Stock Options With an Exercise Price of $3.30 Per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options exercise price per share			$ 3.30invest_InvestmentOptionsExercisePrice / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = omex_StockOptionsWithExercisePriceOfThreePointThreeZeroMember
Stock Options With an Exercise Price of $3.40 per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options exercise price per share	$ 3.40invest_InvestmentOptionsExercisePrice / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = omex_StockOptionsWithExercisePriceOfThreePointFourZeroMember	$ 3.40invest_InvestmentOptionsExercisePrice / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = omex_StockOptionsWithExercisePriceOfThreePointFourZeroMember
Stock Options With an Exercise Price of $3.43 per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options exercise price per share	$ 3.43invest_InvestmentOptionsExercisePrice / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = omex_StockOptionsWithExercisePriceOfThreePointFourThreeMember	$ 3.43invest_InvestmentOptionsExercisePrice / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = omex_StockOptionsWithExercisePriceOfThreePointFourThreeMember
Stock Options With an Exercise Price of $3.50 per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options exercise price per share	$ 3.50invest_InvestmentOptionsExercisePrice / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = omex_StockOptionsWithExercisePriceOfThreePointFiveZeroMember	$ 3.50invest_InvestmentOptionsExercisePrice / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = omex_StockOptionsWithExercisePriceOfThreePointFiveZeroMember	$ 3.50invest_InvestmentOptionsExercisePrice / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = omex_StockOptionsWithExercisePriceOfThreePointFiveZeroMember
Stock Options With an Exercise Price of $3.51 per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options exercise price per share			$ 3.51invest_InvestmentOptionsExercisePrice / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = omex_StockOptionsWithExercisePriceOfThreePointFiveOneMember
Stock Options With an Exercise Price of $3.53 per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options exercise price per share			$ 3.53invest_InvestmentOptionsExercisePrice / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = omex_StockOptionsWithExercisePriceOfThreePointFiveThreeMember
Stock Options With an Exercise Price of $3.90 per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options exercise price per share	$ 3.90invest_InvestmentOptionsExercisePrice / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = omex_StockOptionsWithExercisePriceOfThreePointNineZeroMember	$ 3.90invest_InvestmentOptionsExercisePrice / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = omex_StockOptionsWithExercisePriceOfThreePointNineZeroMember	$ 3.90invest_InvestmentOptionsExercisePrice / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = omex_StockOptionsWithExercisePriceOfThreePointNineZeroMember
Stock Options With an Exercise Price of $4.00 per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options exercise price per share		$ 4.00invest_InvestmentOptionsExercisePrice / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = omex_StockOptionsWithExercisePriceOfFourPointZeroZeroMember	$ 4.00invest_InvestmentOptionsExercisePrice / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = omex_StockOptionsWithExercisePriceOfFourPointZeroZeroMember
Stock Options With an Exercise Price of 5.00 per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options exercise price per share			$ 5.00invest_InvestmentOptionsExercisePrice / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = omex_StockOptionsWithExercisePriceOfFivePointZeroZeroMember
Stock Options With an Exercise Price of $7.00 per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options exercise price per share			$ 7.00invest_InvestmentOptionsExercisePrice / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = omex_StockOptionsWithExercisePriceOfSevenPointZeroZeroMember
Warrants With an Exercise Price of $3.60 per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Warrants exercise price per share	$ 3.60us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = omex_WarrantsWithExercisePriceOfThreePointSixZeroMember	$ 3.60us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = omex_WarrantsWithExercisePriceOfThreePointSixZeroMember	$ 3.60us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = omex_WarrantsWithExercisePriceOfThreePointSixZeroMember
Warrants With an Exercise Price of $5.25 per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Warrants exercise price per share			$ 5.25us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = omex_WarrantsWithExercisePriceOfFivePointTwoFiveMember

X

- Definition

Exercise price of the option.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Footnote 5

+ Details

Name:	invest_InvestmentOptionsExercisePrice
Namespace Prefix:	invest_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(i)(4))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

Name:	us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_StockOptionsWithExercisePriceOfFivePointZeroZeroMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_StockOptionsWithExercisePriceOfFourPointZeroZeroMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_StockOptionsWithExercisePriceOfOnePointSevenFourMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_StockOptionsWithExercisePriceOfSevenPointZeroZeroMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_StockOptionsWithExercisePriceOfThreePointFiveOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_StockOptionsWithExercisePriceOfThreePointFiveThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_StockOptionsWithExercisePriceOfThreePointFiveZeroMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_StockOptionsWithExercisePriceOfThreePointFourThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_StockOptionsWithExercisePriceOfThreePointFourZeroMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_StockOptionsWithExercisePriceOfThreePointNineZeroMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_StockOptionsWithExercisePriceOfThreePointThreeZeroMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_StockOptionsWithExercisePriceOfThreePointTwoFiveMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_StockOptionsWithExercisePriceOfTwoPointEightNineMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_StockOptionsWithExercisePriceOfTwoPointSevenFourMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_StockOptionsWithExercisePriceOfTwoPointSevenThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_StockOptionsWithExercisePriceOfTwoPointTwoZeroMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_WarrantsWithExercisePriceOfFivePointTwoFiveMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_WarrantsWithExercisePriceOfThreePointSixZeroMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: