Annual report pursuant to Section 13 and 15(d)

Uncategorized Items - vsec-20181231.xml

v3.10.0.1
Label Element Value
Cumulative Effect of New Accounting Principle in Period of Adoption us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption $ 1,465,000
Retained Earnings [Member]  
Cumulative Effect of New Accounting Principle in Period of Adoption us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption $ 1,465,000