_:vb21820	<http://www.w3.org/2002/07/owl#onProperty>	<http://www.openlinksw.com/schemas/xbrl/precision> .
_:vb21820	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Restriction> .
_:vb21820	<http://www.w3.org/2002/07/owl#allValuesFrom>	<http://www.w3.org/2001/XMLSchema#nonNegativeInteger> .