Lease Obligations and Other Commercial Commitments	12 Months Ended
Dec. 31, 2012
Lease Obligations and Other Commercial Commitments [Abstract]
Lease Obligations and Other Commercial Commitments	4. Lease Obligations and Other Commercial Commitments The approximate minimum rental commitments under all noncancelable leases at December 31, 2012, totaled $31,000 and are due in 2013. Rental expense for all operating leases was approximately $46,000 and $64,000 in 2012 and 2011, respectively. Rent is charged to operations on a straight-line basis. The Company also has a letter of credit totaling approximately $36,000 at December 31, 2012, which supports the Company’s periodic payroll obligations and is considered restricted.

Lease Obligations and Other Commercial Commitments

12 Months Ended

Dec. 31, 2012

Lease Obligations and Other Commercial Commitments [Abstract]

Lease Obligations and Other Commercial Commitments

4. Lease Obligations and Other Commercial Commitments

The approximate minimum rental commitments under all noncancelable leases at December 31, 2012, totaled $31,000 and are due in 2013.

Rental expense for all operating leases was approximately $46,000 and $64,000 in 2012 and 2011, respectively. Rent is charged to operations on a straight-line basis.

The Company also has a letter of credit totaling approximately $36,000 at December 31, 2012, which supports the Company’s periodic payroll obligations and is considered restricted.