XML 24 R73.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Note 18 - Subsequent Events (Details) (Subsequent Event [Member], USD $) In Millions, unless otherwise specified | Nov. 06, 2014
--- | ---
Subsequent Event [Member] |
Note 18 - Subsequent Events (Details) [Line Items] |
Stock Repurchase Program, Authorized Amount | $ 10.0

X
- Details
Name: | amph_Note18SubsequentEventsDetailsLineItems
Namespace Prefix: | amph_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant