Note 6 - Term Loans, Revolving Line of Credit and Warrants (Tables)

3 Months Ended

Jun. 30, 2018

PFG Loan [Member]

Notes Tables

Schedule of Debt Discount [Table Text Block]

Fees paid to the lender and third parties	$	44,000
Back-end fee		76,000
Estimated fair value of embedded equity forward		49,000
Fair value of 190,000 shares of common stock issued to lender		157,000
Aggregate discount amount	$	326,000