Note 7 - Convertible Debt

9 Months Ended

Sep. 30, 2017

Notes to Financial Statements

Debt Disclosure [Text Block]

7. Convertible Debt

The components of debt outstanding at

September

 

30,

2017

and

December 31, 2016

are as follows:

	September 30, 2017			December 31, 2016
2016 Convertible notes	$	—		$	1,880,000
Series B convertible notes		550,000			550,000
		550,000			2,430,000
Less current portion		(550,000	)		(1,880,000	)
Long-term debt, net of current portion	$	—		$	550,000

Upon maturity of the

2016

Convertible Notes during the

third

quarter of

2017,

the Company repaid the outstanding principal and interest of

$1.9

million and

$0.1

million, respectively. The accrued interest related to the Company’s Series B Convertible Note is included within accrued expenses and other current liabilities within the unaudited condensed consolidated balance sheets. As of

September 

30,

2017,

the Company had accrued interest of approximately

$36,000.