XML 50 R36.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Organization and Summary of Significant Accounting Policies - Accounts Receivable Concentration (Details) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Mar. 31, 2014 customer | Jun. 30, 2014 customer | Dec. 31, 2013 customer
Accounting Policies [Abstract] |  |  |
Customers with 10% revenue concentration | 0 | 0 |
Customers with 10 % accts rec concentration |  | 0 | 0

X
- Definition customers with 10 % accts rec concentration = number of customers with greater than or equal to 10% of Accts Receivable for the reported balance sheet date + References No definition available. + Details
Name: | omcl_Customerswith10acctsrecconcentration
Namespace Prefix: | omcl_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition customers with 10% revenue concentration - number of customers with greater than or equal to 10% of revenues for the period reported + References No definition available. + Details
Name: | omcl_Customerswith10revenueconcentration
Namespace Prefix: | omcl_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration