Note 8 - Commitments - Contractual Obligations (Details)	Jun. 30, 2017 USD ($)
Rent Obligations, remainder of year	$ 54,000
Rent Obligations, year two	108,000
Rent Obligations, year three	108,000
Rent obligations, year four	108,000
Rent obligations, year five	108,000
Rent obligations, greater than 5 years	27,000
Rent obligations	405,000
Total, remainder of year	54,000
Total, year two	108,000
Total, year three	108,000
Total, year four	108,000
Total, year five	108,000
Total, greater than 5 years	27,000
Total	$ 405,000