Quarterly report pursuant to Section 13 or 15(d)

Product Warranties (Details)

v2.4.1.9
Product Warranties (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Changes in Company's product warranty reserve        
Total product warranty reserve at the beginning of the period $ 666us-gaap_StandardProductWarrantyAccrual $ 325us-gaap_StandardProductWarrantyAccrual $ 328us-gaap_StandardProductWarrantyAccrual $ 152us-gaap_StandardProductWarrantyAccrual
Warranty reserve from business acquisitions       54us-gaap_StandardProductWarrantyAccrualAdditionsFromBusinessAcquisition
Warranty expense 64us-gaap_StandardProductWarrantyAccrualWarrantiesIssued 73us-gaap_StandardProductWarrantyAccrualWarrantiesIssued 474us-gaap_StandardProductWarrantyAccrualWarrantiesIssued 343us-gaap_StandardProductWarrantyAccrualWarrantiesIssued
Utilization (35)us-gaap_StandardProductWarrantyAccrualPayments (41)us-gaap_StandardProductWarrantyAccrualPayments (107)us-gaap_StandardProductWarrantyAccrualPayments (192)us-gaap_StandardProductWarrantyAccrualPayments
Total product warranty reserve at the end of the period $ 695us-gaap_StandardProductWarrantyAccrual $ 357us-gaap_StandardProductWarrantyAccrual $ 695us-gaap_StandardProductWarrantyAccrual $ 357us-gaap_StandardProductWarrantyAccrual