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Unaudited Quarterly Financial Data (Tables)
 12 Months Ended
Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract]  
Schedule of Unaudited Quarterly Financial Data
Set forth below are the unaudited quarterly financial data for the fiscal years ended December 31, 2017 and 2016.
 
For the quarters ended
 
March 31
 
June 30
 
September 30
 
December 31
2017
 
 
 
 
 
 
 
 
Revenues
 
$
8,491

 
$
9,741

 
$
13,548

 
$
13,386

Cost of sales
 
4,769

 
6,116

 
8,498

 
7,761

Net income (loss) from continuing operations
 
(1,776
)
 
(5,585
)
 
(178
)
 
470

Loss from discontinued operations
 
(730
)
 
(1,269
)
 
(239
)
 
(1,676
)
Net loss
 
(2,506
)
 
(6,854
)
 
(417
)
 
(1,206
)
Basic net income (loss) per common share:
 
 
 
 
 
 
 
 
Continuing operations
 
(0.07
)
 
(0.24
)
 
(0.01
)
 
0.02

Discontinued operations
 
(0.03
)
 
(0.05
)
 
(0.01
)
 
(0.07
)
    Basic net income (loss) per common share:
 
$
(0.10
)
 
$
(0.29
)
 
$
(0.02
)
 
$
(0.05
)
Diluted net loss per common share:
 
 
 
 
 
 
 
 
Continuing operations
 
(0.07
)
 
(0.24
)
 
(0.01
)
 
0.02

Discontinued operations
 
(0.03
)
 
(0.05
)
 
(0.01
)
 
(0.07
)
    Diluted net loss per common share:
 
$
(0.10
)
 
$
(0.29
)
 
$
(0.02
)
 
$
(0.05
)
 
 
 
 
 
 
 
 
 
2016
 
 
 
 
 
 
 
 
Revenues
 
$
17,822

 
$
15,175

 
$
12,596

 
$
9,568

Cost of sales
 
11,774

 
9,595

 
7,281

 
7,717

Net loss from continuing operations
 
(1,950
)
 
(1,801
)
 
(2,389
)
 
(8,448
)
Loss from discontinued operations
 
(687
)
 
(827
)
 
(630
)
 
(656
)
Net loss
 
(2,637
)
 
(2,628
)
 
(3,019
)
 
(9,104
)
Basic net loss per common share:
 
 
 
 
 
 
 
 
Continuing operations
 
(0.08
)
 
(0.08
)
 
(0.10
)
 
(0.36
)
Discontinued operations
 
(0.03
)
 
(0.03
)
 
(0.03
)
 
(0.03
)
    Basic net loss per common share:
 
$
(0.11
)
 
$
(0.11
)
 
$
(0.13
)
 
$
(0.39
)
Diluted net loss per common share:
 
 
 
 
 
 
 
 
Continuing operations
 
(0.08
)
 
(0.08
)
 
(0.10
)
 
(0.36
)
Discontinued operations
 
(0.03
)
 
(0.03
)
 
(0.03
)
 
(0.03
)
    Diluted net loss per common share:
 
$
(0.11
)
 
$
(0.11
)
 
$
(0.13
)
 
$
(0.39
)