Impaiment Of Inventory

No definition available.

Name:	uqm_ImpaimentOfInventory
Namespace Prefix:	uqm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Inventory Supply Agreement Term

+ References

No definition available.

+ Details

Name:	uqm_InventorySupplyAgreementTerm
Namespace Prefix:	uqm_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

+ 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 210.5-02.6(a))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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

- Definition

Amount of difference between inventory at lower of LIFO cost or market and inventory at lower of other inventory accounting method cost or market, for example, but not limited to, FIFO or average cost.

+ 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 210.5-02.6(c))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_InventoryLIFOReserve
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

- Details

Name:	us-gaap_PublicUtilitiesInventoryAxis=uqm_PowerPhaseProMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PublicUtilitiesInventoryAxis=uqm_OtherObsoleteInventoryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=uqm_CodaAutomotiveMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Inventories (Details) - USD ($)	9 Months Ended
Inventories (Details) - USD ($)	Dec. 31, 2016	Mar. 31, 2016	May 01, 2013
Inventory [Line Items]
Inventory	$ 1,749,735	$ 9,111,441
PowerPhase Pro [Member]
Inventory [Line Items]
Inventory	7,600,000		$ 8,200,000
Impaiment Of Inventory	0
Inventory reserve	6,800,000
Other Obsolete Inventory [Member]
Inventory [Line Items]
Inventory reserve	$ 350,000
CODA Automotive [Member]
Inventory [Line Items]
Inventory Supply Agreement Term	10 years