XML 1032 R18.htm IDEA: XBRL DOCUMENT
v3.7.0.1

12 EMPLOYEE BENEFIT PLAN | 12 Months Ended
--- | ---
Dec. 31, 2016
Notes to Financial Statements |
EMPLOYEE BENEFIT PLAN | NOTE 12. EMPLOYEE BENEFIT PLAN: The Company has a 401(k)-tax deferred savings plan (the "401(k) Plan") that is available to all employees who satisfy certain minimum hour requirements each year. The Company matches 100% of the first 3% of a participant's salary contributed under the 401(k) Plan and 50% on the next 2% of each participant's salary contributed under the 401(k).

X
- References No definition available. + Details
Name: | amhi_EmployeeBenefitPlanTextBlock
Namespace Prefix: | amhi_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | amhi_NotesToFinancialStatementsAbstract
Namespace Prefix: | amhi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration