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Note 17 - Financial Instruments (Details) (USD $) In Thousands, except Share data, unless otherwise specified	0 Months Ended	6 Months Ended	12 Months Ended
	Jun. 16, 2014	Jun. 30, 2014	Jun. 30, 2014	Dec. 31, 2013
Note 17 - Financial Instruments (Details) [Line Items]
Derivative, Notional Amount		$ 20,000	$ 20,000	$ 20,000
Restricted Cash and Cash Equivalents, Noncurrent		1,294	1,294	1,739
Class of Warrant or Right, Outstanding		5,330,000	5,330,000
Fair Value Assumptions, Expected Volatility Rate Calculation Basis			5 years
Fair Value Assumptions, Expected Volatility Rate	87.55%	90.49%	90.49%
Increase (Decrease) in Volatility Rate Applied			5.00%
Fair Value Assumptions, Resulting Increase (Decrease) in Fair Value			2.00%
Swap [Member]
Note 17 - Financial Instruments (Details) [Line Items]
Restricted Cash and Cash Equivalents, Noncurrent		$ 1,294	$ 1,294

X

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

+ Details

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Namespace Prefix:	invest_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Basis for calculating volatility rate, measured using a trailing average of the Company's share price.

+ References

No definition available.

+ Details

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Namespace Prefix:	tops_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Increase (decrease) in the fair value of financial instruments based on a change in assumptions used in the valuation model.

+ References

No definition available.

+ Details

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Namespace Prefix:	tops_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Increase or (decrease) in the volatility rate used in the valuation model to calculate the fair value of a financial instrument.

+ References

No definition available.

+ Details

Name:	tops_IncreaseDecreaseInVolatilityRateApplied
Namespace Prefix:	tops_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

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Namespace Prefix:	tops_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number 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))

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



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph i

-Article 4

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

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X

- Definition

Cash and equivalents whose use in whole or in part is restricted for the long-term, generally by contractual agreements or regulatory requirements.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 1

-Article 5



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.1)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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