SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

6 Months Ended

Jun. 30, 2020

Accounting Policies [Abstract]

Schedule of inventory

Inventory consisted of the following:

(In thousands)	June 30, 2020		December 31, 2019
Raw materials	$	35,713	$	24,958
Semi-finished and finished goods	46,502		36,766
Total inventory	$	82,215	$	61,724

Schedule of potentially issuable common shares not included in the computation of diluted net loss per share because they would have an anti-dilutive effect

The following potentially issuable common shares were not included in the computation of diluted net loss per share because they would have an anti-dilutive effect due to net losses for each period:

​	June 30,
(In thousands)	2020	2019
Shares issuable upon exercise of stock options	2,575	2,387
Shares issuable upon the release of restricted stock awards	4,662	4,123
Shares issuable upon conversion of convertible notes	20,309	12,197
​	27,546	18,707