Goodwill And Other Intangible Assets	3 Months Ended
Goodwill And Other Intangible Assets	Sep. 30, 2011
Goodwill And Other Intangible Assets [Abstract]
Goodwill And Other Intangible Assets	7. Goodwill and Other Intangible Assets As of September 30, 2011, Pervasive had goodwill in the amount of $38.5 million associated with the acquisition of Data Junction. The Company evaluates intangible assets for potential impairment annually in the fourth quarter, or more frequently if other indicators of impairment arise. On July 31, 2009, the Company completed the purchase of assets from Greenville, SC-based ChanneLinx, Inc., a Web-based electronic data interchange (Web DI) technology company, for total consideration of approximately $2.6 million in cash. Other intangible assets, classified as purchased intangibles on the balance sheet, amounted to $1.5 million (net of accumulated amortization of $7.5 million) as of September 30, 2011. These intangible assets consist of developed technology, including the $6.3 million value assigned to amortizable intangible assets related to developed technology in connection with the acquisition of Data Junction during the second quarter of fiscal 2004 and $2.6 million related to the acquisition of ChanneLinx in the first quarter of fiscal 2010. The Company amortizes intangible assets with indefinite useful lives on a straight-line basis over their estimated useful lives, generally five years. Amortization expense for the three months ended September 30, 2011 was $0.1 million. Amortization expense for intangible assets is anticipated to be approximately $0.5 million for each of the years ended June 30, 2012 through June 30, 2014.

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.