XML 16 R8.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Short-Term Investments
6 Months Ended
Jun. 30, 2011
Short-Term Investments [Abstract]  
Short-Term Investments
2.   Short-Term Investments
    The Company’s $2,232,000 of short-term investments is comprised of fully insured certificates of deposit with maturities ranging from six to twelve months and interest rates ranging from 0.4% to 1.6%.