Note 5 - Debt Obligations (Tables)

3 Months Ended

Mar. 31, 2018

Notes Tables

Schedule of Debt [Table Text Block]

	December 31, 201 7		March 31, 201 8
C urrent liabilities
Convertible notes payable
One-year convertible notes, mature July 18, 2018	$	280,000	$	280,000
Convertible notes, mature June 1, 2018		4,468,847		4,468,847
Nine-month convertible note, matures September 18, 2018		500,000		500,000
Nine-month convertible note, matures October 16, 2018		—		150,000
Total convertible notes payable	$	5,248,847	$	5,398,847
L ong-term liabilities :
Line of credit, matures September 1, 2019	$	—	$	390,000
Convertible notes payable
Convertible note, matures July 20, 2019		440,000		440,000
Convertible notes, mature June 17, 2019		283,571		283,571
Convertible notes, mature December 31, 2019		292,000		292,000
Convertible note, matures March 8, 2020		—		50,000
Convertible notes, mature June 20, 2020		523,700		603,700
Convertible notes, mature April 20, 2021		—		100,000
Total convertible notes payable	$	1,539,271	$	1,769,271
Total	$	6,788,118	$	7,558,118