Commitments and Contingencies (Details Textual)	12 Months Ended
Dec. 31, 2015 USD ($) ft²	Dec. 31, 2014 USD ($)
Commitments and Contingencies [Line Items]
Operating Lease Expense	$ 841,000	$ 749,000
Supplemental Unemployment Benefits, Severance Benefits	$ 789,000
Area of Land \| ft²	15,000
monthly Rental Expenses In Year One	$ 16,000
monthly Rental Expenses From Year Seven	$ 18,000

Liability for amount due employees, in addition to wages and any other money that employers owe employees, when their employment ends through a layoff or other termination. For example, a company may provide involuntarily terminated employees with a lump sum payment equal to one week's salary for every year of employment.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Other Postemployment Benefits
-URI http://asc.fasb.org/extlink&oid=6519534

Name:	us-gaap_SupplementalUnemploymentBenefitsSeveranceBenefits
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant