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NET LOSS PER SHARE (Tables)
 9 Months Ended
Sep. 30, 2017
Earnings Per Share [Abstract]  
Reconciliation of basic and diluted net loss per share attributable to common stockholders
The following is a reconciliation of basic and diluted net loss per share attributable to common stockholders:
 
Three Months Ended
 
Nine Months Ended
 
September 30,
 
September 30,
 
2017
 
2016
 
2017
 
2016
Net loss
$
(1,537
)
 
$
(845
)
 
$
(4,087
)
 
$
(2,939
)
Accretion of cumulative dividends of redeemable preferred stock to redemption value
(1,484
)
 
(1,560
)
 
(4,364
)
 
(4,290
)
Net loss attributable to common stockholders - basic and diluted
$
(3,021
)
 
$
(2,405
)
 
$
(8,451
)
 
$
(7,229
)
 
 
 
 
 
 
 
 
Weighted average number of shares - basic and diluted
1,773,385

 
1,744,356

 
1,754,576

 
1,744,356

Net loss per share attributable to common stockholders - basic and diluted
$
(1.70
)
 
$
(1.38
)
 
$
(4.82
)
 
$
(4.14
)
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
The following contingently issuable and convertible equity shares were excluded from the calculation of diluted net loss per share because their effect would have been anti-dilutive for all periods presented (shares for the redeemable convertible preferred shares were determined based on the applicable conversation ratio of 1:1):
 
Three Months Ended
 
Nine Months Ended
 
September 30,
 
September 30,
 
September 30,
 
September 30,
 
2017
 
2016
 
2017
 
2016
Redeemable convertible preferred stock - Series A
670,000

 
670,000

 
670,000

 
670,000

Redeemable convertible preferred stock - Series B
2,979,475

 
2,979,475

 
2,979,475

 
2,979,475

Restricted stock
704,770

 
676,210

 
704,770

 
676,210

Stock options
177,763

 
248,871

 
177,763

 
248,871

Warrants
44,101

 
44,101

 
44,101

 
44,101

 
4,576,109

 
4,618,657

 
4,576,109

 
4,618,657