XML 88 R17.htm IDEA: XBRL DOCUMENT v2.4.0.6

Weighted Average Common Shares

12 Months Ended

Dec. 31, 2012

Weighted Average Common Shares [Abstract]

Weighted Average Common Shares

11.  Weighted Average Common Shares

		At December 31,
		2012		2011
Basic common shares		74,351,065		68,457,885
Effect of dilutive stock-based awards		-		637,081
Effect of dilutive warrants		-		200,981
Diluted common shares		74,351,065		69,295,947

Stock options to purchase 3,102,500 and 1,810,000 Common Shares and warrants to purchase 19,977,743 and 15,219,802 Common Shares were outstanding at December 31, 2012 and 2011, respectively, but were not included in the computation of diluted weighted average Common Shares outstanding because their effect would have been anti-dilutive.

X

- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations.

+ References

No definition available.

+ Details

Name:	us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Details

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