Annual report pursuant to Section 13 and 15(d)

Uncategorized Items - usna-20181231.xml

v3.10.0.1
Label Element Value
Restricted Cash and Cash Equivalents, Current us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue $ 298,000
Restricted Cash and Cash Equivalents, Current us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue $ 328,000