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Revenue from Contracts with Customers (Tables)
 6 Months Ended
Jun. 30, 2018
Revenue From Contract With Customer [Abstract]  
Schedule of Revenues by Type of Service

The Company provides diagnostic test products, laboratory services to hospitals, clinical laboratories and other healthcare provider customers, and enters into collaboration agreements with government agencies and healthcare providers. The revenues by type of service consist of the following:

 

 

 

Three Months Ended June 30,

 

 

Six Months Ended June 30,

 

 

 

2018

 

 

2017

 

 

2018

 

 

2017

 

Product sales

 

$

632,525

 

 

$

681,127

 

 

$

1,266,021

 

 

$

1,415,629

 

Laboratory services

 

 

1,100

 

 

 

15,850

 

 

 

9,790

 

 

 

31,955

 

Collaboration revenue

 

 

155,276

 

 

 

6,233

 

 

 

359,316

 

 

 

27,397

 

Total revenue

 

$

788,901

 

 

$

703,210

 

 

$

1,635,127

 

 

$

1,474,981

 

 
Summary of Changes in Deferred Revenue

Changes in deferred revenue for the period were as follows:

 

Balance at December 31, 2017

 

 

 

 

 

 

 

$

24,442

 

Revenue recognized in the current period from the amounts in the beginning balance

 

 

 

 

 

 

 

 

(13,470

)

New deferrals, net of amounts recognized in the current period

 

 

 

 

 

 

 

 

3,150

 

Balance at June 30, 2018

 

 

 

 

 

 

 

$

14,122