Related Party Transactions	12 Months Ended
Related Party Transactions	Dec. 31, 2015
Related Party Transactions [Abstract]
Related Party Transactions	C. Related Party Transactions At December 31, 2015 and 2014, approximately $4,089,000 was invested in United States Treasury money market funds managed by a related entity (the "Fund Manager") which is related through a common director. One of the Company's directors, who is also a 10% stockholder, currently serves as a director and executive officer of the Fund Manager. The fund transactions in 2015 and 2014 were directed solely at the discretion of Company management.

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.