Acquisition of land, area.

No definition available.

Name:	bas_AcquisitionOfLandArea
Namespace Prefix:	bas_
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Balance Type:	na
Period Type:	duration

- Definition

Monthly lease payment when per barrel amount not met.

+ References

No definition available.

+ Details

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Namespace Prefix:	bas_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Operating lease obligations.

+ References

No definition available.

+ Details

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Namespace Prefix:	bas_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage of ownership in subsidiary by parent.

+ References

No definition available.

+ Details

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

- Definition

Price of brine or fresh water per barrel.

+ References

No definition available.

+ Details

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Namespace Prefix:	bas_
Data Type:	us-types:perUnitItemType
Balance Type:	na
Period Type:	duration

- Definition

Price of oil and gas waste per barrel.

+ References

No definition available.

+ Details

Name:	bas_PriceOfOilAndGasWastePerBarrel
Namespace Prefix:	bas_
Data Type:	us-types:perUnitItemType
Balance Type:	na
Period Type:	duration

- Definition

Related party transactions term of lease agreement.

+ References

No definition available.

+ Details

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

- Definition

For an unclassified balance sheet, amounts due from an Entity employee, not to include stockholders or officers.

+ 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.(k)(1))

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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 850

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph k

-Subparagraph 1

-Article 4

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 3

-Article 7

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 850

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39599-107864

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.3)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This element represents the aggregate cost of investments accounted for under the equity method of accounting.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.12)

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

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 12

-Article 5

+ Details

Name:	us-gaap_EquityMethodInvestmentAggregateCost
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash outflow from the acquisition of real estate intended to generate income for the owner; excludes land acquired for use by the owner.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

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

- Details

Name:	us-gaap_LeaseArrangementTypeAxis=bas_DarleVueltaCattleCoLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LeaseArrangementTypeAxis=us-gaap_ChiefExecutiveOfficerMember
Namespace Prefix:
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Period Type:

Related Party Transactions (Narrative) (Details) (USD $)	12 Months Ended	1 Months Ended		12 Months Ended
	Dec. 31, 2014	Apr. 30, 2012 acre	Oct. 31, 2011 acre	Dec. 31, 2011	Dec. 31, 2013	Dec. 31, 2010	Dec. 31, 2006
Related Party Transaction [Line Items]
Due from Employees	$ 161,000us-gaap_DueFromEmployees				$ 50,000us-gaap_DueFromEmployees
Percentage of ownership in joint venture						80.00%
Funded amount for joint venture	2,400,000				4,500,000
Percentage of ownership in subsidiary	100.00%
Chief Executive Officer
Related Party Transaction [Line Items]
Lease agreement, amount							69,000
Term of lease agreement	5 years
Darle Vuelta Cattle Co Llc
Related Party Transaction [Line Items]
Acquisition of land, area, in acres		22	17
Payment to acquire land		215,000	209,000
Darle Vuelta Cattle Co Llc \| Salt Water Disposal Well
Related Party Transaction [Line Items]
Term of lease agreement	2 years
Price of oil and gas waste per barrel				0.10
Price of brine or fresh water per barrel				0.05
Monthly payment on leases				$ 5,000