Note 7 - Accounts Payable and Accrued Expenses (Tables)

3 Months Ended

Mar. 31, 2013

Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]

Account	March 31, 2013		December 31, 2012
Accounts payable	$	658,408	$	665,139
Accrued payroll and related costs		404,464		383,859
Other accrued expenses		91,531		124,154
Accrued interest		687,785		951,213
Total accounts payable and accrued expenses	$	1,842,188	$	2,124,365