XML 28 R22.htm IDEA: XBRL DOCUMENT

Note 1 - Basis of Presentation (Detail)	3 Months Ended
Note 1 - Basis of Presentation (Detail)	Mar. 31, 2013
Number of Reportable Segments	1
Property, Plant and Equipment, Depreciation Methods	straight-line
Minimum Percentage of Receivable Balances for creating Allowance for Doubtful Accounts	85.00%
Period for Creating Allowance for Doubtful Accounts	120 days

Describes an entity's methodology for allocating the cost of a property, plant or equipment, less salvage value (if any), over the estimated useful life of the asset in a systematic and rational manner.

+ References+ Details