Selected Quarterly Data (Unaudited) (Tables)
 12 Months Ended
Dec. 31, 2016
Quarterly Financial Information Disclosure [Abstract]  
Summary of Selected Quarterly Data
 
For the Three Months Ended,
 
Mar 31,
2016
 
Jun 30,
2016
 
Sep 30,
2016
 
Dec 31,
2016
 
(In thousands, except per share amounts)
Net revenue as previously reported
$
18,078

 
$
19,841

 
$
19,165

 
$
43,727

Revision
441

 
463

 
493

 
—

Net revenue as revised
18,519

 
20,304

 
19,658

 
43,727

Gross profit as previously reported
7,435

 
8,219

 
7,944

 
16,807

Revision
441

 
463

 
493

 
—

Gross profit as revised
7,876

 
8,682

 
8,437

 
16,807

Net (loss) income
(2,981
)
 
(22,979
)
 
(3,413
)
 
2,903

Total net (loss) income per basic and diluted common share
$
(0.18
)
 
$
(1.37
)
 
$
(0.20
)
 
$
0.17


 
For the Three Months Ended,
 
Mar 31,
2015
 
Jun 30,
2015
 
Sep 30,
2015
 
Dec 31,
2015
 
(In thousands, except per share amounts)
Net revenue as previously reported
$
23,576

 
$
21,764

 
$
19,472

 
$
39,696

Revision
616

 
510

 
495

 
996

Net revenue as revised
24,192

 
22,274

 
19,967

 
40,692

Gross profit as previously reported
8,702

 
8,888

 
8,009

 
15,840

Revision
616

 
510

 
495

 
996

Gross profit as revised
9,318

 
9,398

 
8,504

 
16,836

Net (loss) income from continuing operations
(2,330
)
 
(1,074
)
 
(3,670
)
 
811

Income (loss) from discontinued operations, net of tax
14,512

 
(7,704
)
 
1,610

 
—

Net income (loss)
12,182

 
(8,778
)
 
(2,060
)
 
811

Net income (loss) per basic and diluted common share from continuing operations
$
(0.13
)
 
$
(0.06
)
 
$
(0.21
)
 
$
0.05

Net income (loss) per basic and diluted common share from discontinued operations
$
0.83

 
$
(0.44
)
 
$
0.09

 
$
—

Total net income (loss) per diluted common share
$
0.69

 
$
(0.50
)
 
$
(0.12
)
 
$
0.05