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Customer Concentrations and Accounts Receivable (Details)
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3 Months Ended | 12 Months Ended | 3 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|---|
|
Jun. 30, 2012
Revenue
Customer concentrations
BPC
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Jun. 30, 2011
Revenue
Customer concentrations
BPC
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Jun. 30, 2011
Revenue
Customer concentrations
E-Finity Distributed Generation, LLC
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Jun. 30, 2012
Revenue
Customer concentrations
Pumps and Service
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Jun. 30, 2012
Revenue
Customer concentrations
Regatta Solutions, Inc
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Jun. 30, 2012
Net accounts receivable
Credit concentration
BPC
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Mar. 31, 2012
Net accounts receivable
Credit concentration
BPC
|
Jun. 30, 2012
Net accounts receivable
Credit concentration
Pumps and Service
|
Jun. 30, 2012
Net accounts receivable
Credit concentration
Regatta Solutions, Inc
|
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| Customer Concentrations and Accounts Receivable | |||||||||
| Concentration percentage | 19.00% | 22.00% | 11.00% | 33.00% | 10.00% | 34.00% | 44.00% | 21.00% | 10.00% |