Quarterly report pursuant to Section 13 or 15(d)

Goodwill (Details)

v2.4.1.9
Goodwill (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Goodwill [Line Items]    
Goodwill $ 15,545us-gaap_Goodwill $ 15,545us-gaap_Goodwill
RedPath [Member]    
Goodwill [Line Items]    
Goodwill $ 15,545us-gaap_Goodwill
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= pdii_RedPathMember
$ 15,545us-gaap_Goodwill
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= pdii_RedPathMember