Annual report pursuant to Section 13 and 15(d)

Debt - Schedule of Future Principal Payments Due under Loan Facility (Detail)

v2.4.1.9
Debt - Schedule of Future Principal Payments Due under Loan Facility (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Maturities of Long-term Debt [Abstract]  
2015 $ 1,546us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
2016 1,687us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
2017 1,522us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
Total future principal payments due under loan agreement $ 4,755cyma_LongTermDebtMaturitiesRepaymentsOfPrincipalAmount