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Unaudited Quarterly Financial Information
 12 Months Ended
Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract]  
Unaudited Quarterly Financial Information
Unaudited Quarterly Financial Information
 
 
Quarter Ended
 
 
 
 
March 31
 
 
 
June 30
 
 
 
September 30
 
 
 
December 31
 
 
 
 
(in thousands except per share data)
 
 
Year Ended December 31, 2017
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Operating:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total revenue
 
$
26,686

 
 
 
$
37,103

 
 
 
$
35,816

 
 
 
$
30,763

 
 
Gross profit
 
6,191

 
 
 
7,827

 
 
 
7,396

 
 
 
7,381

 
 
Net income (loss)
 
(10,399
)
 
(a)
 
(10,118
)
 
(b)
 
(13,860
)
 
(c)
 
(8,752
)
 
(d)
Basic and diluted net loss per share
 
$
(0.32
)
 
 
 
$
(0.28
)
 
 
 
$
(0.37
)
 
 
 
$
(0.24
)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Quarter Ended
 
 
 
 
March 31
 
 
 
June 30
 
 
 
September 30
 
 
 
December 31
 
 
 
 
(in thousands except per share data)
 
 
Year Ended December 31, 2016
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Operating:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total revenue
 
$
35,203

 
 
 
$
34,135

 
 
 
$
25,506

 
 
 
$
26,400

 
 
Gross profit
 
9,653

 
 
 
9,981

 
 
 
7,628

 
 
 
5,708

 
 
Net income (loss)
 
(6,848
)
 
(e)
 
2,167

 
(f)
 
(6,855
)
 
(g)
 
(12,169
)
 
(h)
Basic and diluted net income (loss) per share
 
$
(0.22
)
 
 
 
$
0.07

 
 
 
$
(0.21
)
 
 
 
$
(0.38
)
 
 
_____________________
(a)
Includes restructuring and exit costs of $1.0 million and non-cash expense for stock-based compensation of $1.5 million.
(b)
Includes acquisition related expense of $1.8 million and non-cash expense for stock-based compensation of $2.3 million.
(c)
Includes restructuring and exit costs of $1.3 million, SEC and FCPA legal and settlement costs of $3.0 million and non-cash expense for stock-based compensation of $2.8 million.
(d)
Includes non-cash expense for stock-based compensation of $2.5 million.
(e)
Includes non-cash expense for stock-based compensation of $1.2 million.
(f)
Includes gain on sale of product line of $6.7 million, release of tax liability of $1.5 million and non-cash expense for stock-based compensation of $1.5 million.
(g)
Includes non-cash expense for stock-based compensation of $1.1 million.
(h)
Includes impairment of assets of $1.2 million, non-cash deferred tax expense of $1.2 million in connection with the probable repatriation of a portion of the unremitted earnings of a foreign subsidiary and non-cash expense for stock-based compensation of $1.6 million.