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Quarterly Financial Information (unaudited)
 12 Months Ended
Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract]  
Quarterly Financial Information (unaudited)

(18)

Quarterly Financial Information (unaudited)

The following is a summary of the quarterly results of operations for the years ended December 31, 2017 and 2016:

 

 

 

For the Three Months Ended

 

 

 

December 31, 2017

 

 

September 30, 2017

 

 

June 30,     2017

 

 

March 31, 2017

 

Revenues

 

$

12,807,175

 

 

$

12,448,436

 

 

$

13,013,143

 

 

$

11,252,417

 

Gross Profit

 

 

5,888,332

 

 

 

6,003,892

 

 

 

6,121,524

 

 

 

5,288,458

 

Total operating expenses

 

 

5,418,089

 

 

 

5,803,260

 

 

 

6,248,678

 

 

 

4,862,979

 

Net income

 

 

591,933

 

 

 

234,353

 

 

 

(70,121

)

 

 

385,090

 

Basic net income (loss) per share

 

$

0.06

 

 

$

0.02

 

 

$

(0.01

)

 

$

0.04

 

Diluted net income (loss) per share

 

$

0.06

 

 

$

0.02

 

 

$

(0.01

)

 

$

0.04

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

For the Three Months Ended

 

 

 

December 31, 2016

 

 

September 30, 2016

 

 

June 30,     2016

 

 

March 31, 2016

 

Revenues

 

$

12,625,966

 

 

$

12,439,279

 

 

$

9,856,317

 

 

$

8,512,305

 

Gross Profit

 

 

5,476,403

 

 

 

5,576,287

 

 

 

4,546,761

 

 

 

3,677,624

 

Total operating expenses

 

 

4,345,198

 

 

 

4,345,965

 

 

 

3,572,915

 

 

 

3,560,830

 

Net income (loss)

 

 

1,100,302

 

 

 

1,183,044

 

 

 

1,311,209

 

 

 

139,153

 

Basic net loss per share

 

$

0.14

 

 

$

0.21

 

 

$

0.97

 

 

$

(0.70

)

Diluted net loss per share

 

$

0.12

 

 

$

0.16

 

 

$

0.15

 

 

$

(0.82

)