Note 3 - Restricted Funds	12 Months Ended
Dec. 31, 2012
Restricted Assets Disclosure [Text Block]	3. Restricted Funds At December 31, 2010, the Company had restricted funds totaling $2,232. The funds represented collateral for Letters of Credit (“LOC”) for the security deposits on the Company’s real estate leases. Approximately $1,500 of the deposits was held in a single premium deferred annuity and the remaining funds were held in certificates of deposit that have original maturities of up to one year. In the fourth quarter of 2011, the Company transferred the LOC to their PNC credit facility (see Note 10), which allows up to $3,000 in letters of credit, making the cash available for working capital purposes. LOC under the PNC facility do not require a collateral deposit, but instead limit the amount the Company can borrow under the facility. At December 31, 2011 and 2012, the Company was using $1,850 and $1,100, respectively, in LOC under the PNC facility. At December 31, 2011 and 2012, the Company did not have any restricted cash.

Note 3 - Restricted Funds

12 Months Ended

Dec. 31, 2012

Restricted Assets Disclosure [Text Block]

3. Restricted Funds

At December 31, 2010, the Company had restricted funds totaling $2,232. The funds represented collateral for Letters of Credit (“LOC”) for the security deposits on the Company’s real estate leases. Approximately $1,500 of the deposits was held in a single premium deferred annuity and the remaining funds were held in certificates of deposit that have original maturities of up to one year. In the fourth quarter of 2011, the Company transferred the LOC to their PNC credit facility (see Note 10), which allows up to $3,000 in letters of credit, making the cash available for working capital purposes. LOC under the PNC facility do not require a collateral deposit, but instead limit the amount the Company can borrow under the facility. At December 31, 2011 and 2012, the Company was using $1,850 and $1,100, respectively, in LOC under the PNC facility. At December 31, 2011 and 2012, the Company did not have any restricted cash.