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STOCK-BASED COMPENSATION (Tables)

12 Months Ended

Dec. 31, 2021

STOCK-BASED COMPENSATION

Schedule of stock-based compensation expense

​

​	​	​	​	​	​	​
​	​	Year ended December 31,
(in thousands)		2021			2020
Stock Options	​	$	634	​	$	300
RSUs	​		6,509	​		3,789
Unrestricted Shares of Common Stock	​		473	​		49
Total	​	$	7,616	​	$	4,138

Schedule of share-based compensation, stock options, activity

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​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Weighted

​

Intrinsic

​

​

​

​

Weighted

​

Average

​

​

​

Value

​

​

Number of

​

Average

​

Remaining

​

​

​

of

​

​

Options

​

Exercise Price

​

Term

​

Exercisable

​

Options

Outstanding at December 31, 2019

965,043

​

$

3.70

3.01

759,631

​

$

1,666,000

Granted

​

220,267

​

12.31

5.00

​

​

​

Exercised

(433,180)

​

2.07

​

​

​

​

Forfeited/Expired

(235,219)

​

7.00

​

​

​

​

Outstanding at December 31, 2020

516,911

​

$

7.24

2.70

294,894

​

$

9,610,000

Granted

39,186

​

24.78

4.93

​

​

​

Exercised

(268,836)

​

3.73

​

​

​

​

Forfeited/Expired

(95,921)

​

12.88

​

​

​

​

Outstanding at December 31, 2021

191,340

​

$

12.94

3.96

83,070

​

$

71,000

Exercisable as of December 31, 2021

​

83,070

​

$

9.78

​

3.90

​

​

​

$

44,000

Schedule of weighted average assumptions for estimating the stock-based compensation

​

​	​	​	​	​	​
​		2021		2020
Expected life		3.25 years		3.16 years	​
Risk-free interest rate		0.34	%	0.19	%
Weighted average volatility factor		100.60	%	107.28	%
Dividend yield		—		—	​

Schedule of non-vested restricted stock shares activity

​

​	​	​	​	​	​	​	​	​	​
​	​	​	​	Weighted		​	​	​	​
​	​	​	​	Average		​	​	​	​
​	​	Number of	​	Grant Date		​	​	​	​
​	​	RSUs	​	Fair Value		​	Vested	​	Unvested
Restricted stock units outstanding as of December 31, 2020		958,378	​	$	11.57	​	285,108	​	673,270
Granted		648,226	​	​	19.44	​	​	​	​
Settled		(283,568)	​	​	15.24	​	​	​	​
Forfeited/Canceled		(289,796)	​	​	19.92	​	​	​	​
Restricted stock units outstanding at December 31, 2021		1,033,240	​	$	13.10	​	340,539	​	692,701

Schedule of other share-based compensation, activity

The following table summarizes the warrant activity for the years ended December 31, 2021 and 2020:

​

​	​	​	​	​	​	​	​	​	​	​
​		​		​	​		Weighted		Intrinsic
​	​	​	​	Weighted		​	Average	​	Value
​	​	Number of	​	Average		​	Remaining	​	of
​	​	Warrants	​	Exercise Price		​	Term	​	Warrants
Outstanding at December 31, 2019		424,708	​	$	5.31		0.82	​	$	189,000
Exercised		(321,467)	​		4.77		​	​		​
Forfeited/Expired		(22,188)	​		9.59		​	​		​
Outstanding at December 31, 2020		81,053	​	​	6.25		0.94	​	​	1,587,000
Exercised		(38,880)	​		6.25		​	​		​
Forfeited/Expired		(12,000)	​		6.25		​	​		​
Outstanding at December 31, 2021		30,173	​	$	6.25		0.71	​	$	23,000

​

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Tabular disclosure of the changes in outstanding nonvested restricted stock shares.

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Tabular disclosure of activity for outstanding award under share-based payment arrangement excluding share and unit options and nonvested award.

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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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