Note 11 - Stockholder's Equity

12 Months Ended

Dec. 31, 2016

Notes to Financial Statements

Stockholders' Equity Note Disclosure [Text Block]

11.

 Stockholder’s Equity

Common Stock

In connection with the Merger (See Note

4)

the Company ascribed non-cash consideration of

$0.4

million to

478,200

warrants outstanding prior to the Merger. During the year ended

December

31,

2016,

the Company issued

2,226,698

shares of its Common Stock of which

1,861,503

are shares held by the pre-Merger stockholders of the Company,

45,643

shares were issued for advisory services provided in connection with the Merger,

102,430

shares were issued for general financial advisory services provided to the Company and

217,122

shares were issued pursuant to conversions of convertible debt as discussed in Note

9.

The Company did not purchase or retire any shares of its common stock.

Warrants

During the year ended

December

31,

2016,

the Company did

not

grant any warrants to purchase shares of its common stock and

no

warrants were exercised. During the year ended

December

31,

2016,

warrants to purchase an aggregate of

17,479

shares of common stock expired unexercised.

Warrants to purchase an aggregate of

460,721

shares of the Company’s common stock were outstanding and exercisable as of

December

31,

2016,

with per share exercise prices ranging from

$20.00

to

$750.00

and a weighted average exercise price of

$54.27

per share.