(Amounts in thousands except share and per share amounts)

Three Months Ended

September 30,

Nine Months Ended

September 30,

2018

2017

2018

2017

Numerator for basic and diluted loss per share:

Net loss

$

(3,482

)

$

(2,390

)

$

(9,351

)

$

(7,668

)

Preferred dividends

(949

)

(553

)

(2,437

)

(1,575

)

Preferred stock exchange

—

(1,245

)

—

(1,245

)

Net loss available to common shareholders

$

(4,431

)

$

(4,188

)

$

(11,788

)

$

(10,488

)

Denominator for basic and dilutive loss per share – weighted-average shares outstanding

95,838,813

93,197,689

95,116,862

92,538,582

Net loss

$

(0.04

)

$

(0.03

)

$

(0.10

)

$

(0.08

)

Preferred dividends

(0.01

)

(0.00

)

(0.02

)

(0.02

)

Preferred stock exchange

—

(0.01

)

—

(0.01

)

Basic and diluted loss per share available to common shareholders

$

(0.05

)

$

(0.04

)

$

(0.12

)

$

(0.11

)