XML 80 R52.htm IDEA: XBRL DOCUMENT v3.4.0.3

Net Income Per Share Net Income Per Share (Schedule of Securities Excluded from Net Income Per Share) (Details) - $ / shares	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Options excluded from diluted net income per share	475,000	85,000
Exercise price of excluded options		$ 5.62
Minimum [Member]
Exercise price of excluded options	$ 2.71
Maximum [Member]
Exercise price of excluded options	$ 5.62

X

- Definition

Exercise price of the option.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Footnote 5

+ Details

Name:	invest_InvestmentOptionsExercisePrice
Namespace Prefix:	invest_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Options with exercise price greater than market price

+ References

No definition available.

+ Details

Name:	leu_OptionsWithExercisePriceGreaterThanMarketPrice
Namespace Prefix:	leu_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: