XML 71 R27.htm IDEA: XBRL DOCUMENT v2.4.1.9

Note 1 - Summary of Operations and Significant Accounting Policies (Details)	12 Months Ended
	Dec. 31, 2014
Buildings [Member] | Minimum [Member]
Estimated Useful Life	10 years
Buildings [Member] | Maximum [Member]
Estimated Useful Life	20 years
Machinery And Equipment [Member] | Minimum [Member]
Estimated Useful Life	5 years
Machinery And Equipment [Member] | Maximum [Member]
Estimated Useful Life	10 years
Furniture And Fixtures [Member] | Minimum [Member]
Estimated Useful Life	3 years
Furniture And Fixtures [Member] | Maximum [Member]
Estimated Useful Life	10 years
Computer Hardware And Software [Member] | Minimum [Member]
Estimated Useful Life	3 years
Computer Hardware And Software [Member] | Maximum [Member]
Estimated Useful Life	5 years

X

- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=ulbi_BuildingsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=ulbi_ComputerHardwareAndSoftwareMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_FurnitureAndFixturesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_MachineryAndEquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: