Note 7 - Accounts Payable and Accrued Expenses (Tables)

3 Months Ended

Mar. 31, 2015

Payables and Accruals [Abstract]

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

Account	March 31, 2015		December 31, 2014
Accounts payable	$	1,214,342	$	613,584
Accrued payroll and related costs		652,946		319,629
Other accrued expenses		79,751		85,248
Accrued interest		484,856		875,724
Total accounts payable and accrued expenses	$	2,431,895	$	1,894,185