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CONVERTIBLE PREFERRED STOCK AND WARRANTS - NARRATIVE (Details) - USD ($) |  |  |  | 12 Months Ended
--- | --- | --- | --- | ---
Mar. 31, 2014 | Jan. 10, 2014 | Dec. 13, 2013 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Class of Stock [Line Items] |  |  |  |  |  |
Aggregate gross proceeds from issuance of stock |  |  | $ 7,000,000 |  |  |
Preferred stock, shares authorized |  |  |  | 10,000,000 |  |
Payments of stock issuance costs |  |  | 1,060,520 |  |  |
Payments of stock issuance costs as well as other costs incurred during the process |  |  | $ 622,145 |  |  |
Percent of purchase price paid for payments of stock issuance costs |  |  | 6.00% |  |  |
Other cash fees incurred related to offering |  |  | $ 202,145 |  |  |
Threshold period for liquidation damages, continuous (in days) |  | 30 days |  |  |  |
Threshold period for liquidation damages, cumulative (in days) |  | 60 days |  |  |  |
Threshold period for liquidation damages (in months) |  | 12 months |  |  |  |
Threshold period for liquidation damages, percent of aggregate purchase price, initial period (as a percent) |  | 1.00% |  |  |  |
Threshold period for liquidation damages, percent of aggregate purchase price, subsequent period (as a percent) |  | 1.00% |  |  |  |
Additional accretion of convertible preferred stock and warrants |  |  |  |  | $ 221,902 |
Series A preferred stock |  |  |  | $ 0 | 0 |
Number of shares called by warrants repurchased during the period (in shares) | 142,857 |  |  |  |  |
Repurchase of warrants |  |  |  | $ 0 | $ 0 | $ 420,000
Maximum |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Threshold period for liquidation damages, percent of aggregate purchase price, maximum (as a percent) |  | 10.00% |  |  |  |
Warrant |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Expected dividend rate (as a percent) |  |  |  | 0.00% | 0.00% |
Expected volatility rate (as a percent) |  |  |  | 82.47% | 48.75% |
Fair value of placement agent warrants |  |  | 438,375 |  |  |
Risk free interest rate (as a percent) |  |  |  | 1.47% |  |
Expected term (in years) |  |  |  | 2 years 6 months |  |
Investor Warrant |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Aggregate gross proceeds from issuance of stock |  |  | $ 4,383,750 |  |  |
Number of securities called by warrants |  |  | 5,250,000 |  |  |
Warrants, exercise price (in dollars per share) |  |  | $ 2.387 |  |  |
Payments of stock issuance costs |  |  | $ 664,151 |  |  |
Placement Agent Warrant |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Number of securities called by warrants |  |  | 525,000 | 94,375 |  |
Payments of stock issuance costs |  |  | $ 420,000 |  |  |
Placement Agent Warrant | Warrant |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Fair value of placement agent warrants |  |  |  | $ 203,000 | $ 267,000 |
Series A Preferred Stock |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Aggregate gross proceeds from issuance of stock |  |  | $ 2,616,250 |  |  |
Preferred stock, shares authorized |  |  |  | 3,500,000 | 3,500,000 |
Preferred stock, par value (in dollars per share) |  |  | $ 2.00 | $ 0.001 | $ 0.001 |
Conversion ratio |  |  | 1 |  |  |
Preferred stock, dividend rate (as a percent) |  |  | 6.00% | 6.00% | 6.00% |
Payments of stock issuance costs |  |  | $ 396,369 |  |  |
Redemption value accretion period (in years) |  |  | 4 years |  |  |

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