v2.4.1.9

BILLINGS IN EXCESS OF COSTS (Schedule of Billings In Excess Of Costs) (Details) (USD $) | Dec. 31, 2014 | Sep. 30, 2014
--- | --- | ---
Billings in excess of costs: |  |
Earnings on billings to date | $ 9,107,109 bmer_EarningsOnBillingsToDateBillingsInExcessOfCosts | $ 7,583,997 bmer_EarningsOnBillingsToDateBillingsInExcessOfCosts
Less: Billings | (12,100,241)bmer_BillingsContractBillingsInExcessOfCosts | (11,272,056)bmer_BillingsContractBillingsInExcessOfCosts
Total (billings in excess of costs) | $ (2,993,132)us-gaap_BillingsInExcessOfCostCurrent | $ (3,688,059)us-gaap_BillingsInExcessOfCostCurrent

X
- Definition Total amount of billings related to costs in excess of billing. + References No definition available. + Details
Name: | bmer_BillingsContractBillingsInExcessOfCosts
Namespace Prefix: | bmer_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Earnings on billings to date related to costs in excess of billing. + References No definition available. + Details
Name: | bmer_EarningsOnBillingsToDateBillingsInExcessOfCosts
Namespace Prefix: | bmer_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_BillingsInExcessOfCostAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Liability attributable to (i) billings in excess of costs under the percentage of completion contract accounting method representing the difference between contractually invoiced amounts (billings) and revenue recognized based, for example, on costs incurred to estimated total costs at period end or (ii) contractually invoiced amounts (billings) in excess of costs incurred and accumulated under the completed contract accounting method that are expected to be realized within one year or one operating cycle, whichever is longer, from the reporting date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 35 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6802688&loc=d3e57788-111642 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 35 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6802688&loc=d3e57807-111642 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 35 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6802688&loc=d3e57795-111642 + Details
Name: | us-gaap_BillingsInExcessOfCostCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant