Employee Benefit Plans (Details)	12 Months Ended
Dec. 31, 2015
Maximum
Compensation Plan [Line Items]
Percentage of employees eligible compensation	90.00%

Defined Contribution Plan Eligible Compensation Contributed By Employee Percentage

No definition available.

Name:	fldm_DefinedContributionPlanEligibleCompensationContributedByEmployeePercentage
Namespace Prefix:	fldm_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration