Subsequent Events

12 Months Ended

Dec. 31, 2018

Subsequent Events [Abstract]

Subsequent Events

Note 21

Subsequent Events:

Series C Convertible Preferred Stock Conversion

During January 2019, investors converted shares of Series C Convertible Preferred Stock into 1,148,698 shares of common stock. During June 2019, investors converted shares of Series C Convertible Preferred Stock into 1,775,093 shares of common stock.

Expiration of Warrants

In February 2019, 265,947 warrants with an exercise price of $3.75 expired.

In April 2019, 137,143 warrants with an exercise price of $3.75 expired.

In July 2019, 1, 239,769 warrants with an exercise prices ranging from $3.75 to $12.25 expired.

Exercise of Options and Cancelled Restricted Stock Units

In February 2019, 30,000 stock options, with exercise prices ranging from $1.29 to $2.75, were net exercised and the Company issued 9,596 shares of common stock.

In March 2019, 30,000 stock options, with exercise prices ranging from $1.29 to $2.75, were net exercised and the Company issued 19,228 shares of common stock.

In May 2019, 15,000 stock options, with an exercise price of $1.29, were net exercised and the Company issued 7,586 shares of common stock.

In addition, in January of 2019 Restricted Stock Units issued to the Company’s Chairman were cancelled.

Lease Agreement

On May 1, 2019, the Company entered into the Fifth Amendment to the Carlsbad lease. The term of the lease commences on October 1, 2019, and expires on September 30, 2024. The Company’s Carlsbad facility houses the manufacturing and development operations for our excimer laser business, as well as the patient call center and reimbursement center.