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Note D - Concentration of Risk (Details) - Revenue Concentration Risk by Major Customer	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011
Revenue, Major Customer [Line Items]
Customer	10.00%
Customer A [Member]
Revenue, Major Customer [Line Items]
Customer	31.00%		15.00%
Customer B [Member]
Revenue, Major Customer [Line Items]
Customer	18.00%
Customer C [Member]
Revenue, Major Customer [Line Items]
Customer		[1]	43.00%
[1] Less than 10% of total revenue

X

- Details

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

X

- Definition

Percentage of revenue generated from a single external customer that accounts for 10 percent or more of an entity's revenues.

+ References

No definition available.

+ Details

Name:	us-gaap_EntityWideRevenueMajorCustomerPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration