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CAPITAL STOCK (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
Nov. 16, 2016 | Dec. 13, 2013 | Dec. 31, 2016 | Dec. 31, 2015 | Nov. 10, 2016
Class of Stock [Line Items] |  |  |  |  |
Common stock, shares authorized |  |  | 40,000,000 | 40,000,000 |
Common stock, number of votes per share |  |  | 1 |  |
Common stock, par value (in dollars per share) |  |  | $ 0.001 | $ 0.001 |
Issuance of common stock |  |  | $ 5,830 | $ 11,531 |
Preferred stock, shares authorized |  |  | 10,000,000 |  |
Features of Convertible Preferred Stock [Abstract] |  |  |  |  |
Percent of dividends accrued and unpaid, tranche one |  | 33.33% |  |  |
Percent of dividends accrued and unpaid, tranche two |  | 33.33% |  |  |
Percent of dividends accrued and unpaid, tranche three |  | 33.33% |  |  |
Series B Preferred Stock |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Preferred stock, shares authorized |  |  | 3,588,139 | 3,588,139 |
Preferred stock, par value (in dollars per share) |  |  | $ 0.001 | $ 0.001 |
Preferred stock, shares issued |  |  | 975,639 | 1,975,639 |
Conversion ratio |  |  | 2 |  |
Series A Preferred Stock |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Preferred stock, shares authorized |  |  | 3,500,000 | 3,500,000 |
Preferred stock, par value (in dollars per share) |  | $ 2.00 | $ 0.001 | $ 0.001 |
Preferred stock, shares issued |  |  | 0 | 0 |
Conversion ratio |  | 1 |  |  |
Features of Convertible Preferred Stock [Abstract] |  |  |  |  |
Preferred stock, dividend rate (as a percent) |  | 6.00% | 6.00% | 6.00% |
Period following issuance for redemption at stated value amount |  | 48 months |  |  |
Period following redemption, redemption amount, tranche one |  | 5 days |  |  |
Period following redemption, redemption amount, tranche two |  | 1 year |  |  |
Period following redemption, redemption amount, tranche three |  | 2 years |  |  |
Redemption amount, percent, tranche one |  | 33.33% |  |  |
Redemption amount, percent, tranche two |  | 33.33% |  |  |
Redemption amount, percent, tranche three |  | 33.33% |  |  |
Period after which stock is redeemable in a single payment |  | 84 years |  |  |
Period following issuance date, dividends, tranche one |  | 48 months |  |  |
Period following issuance date, dividends, tranche two |  | 60 months |  |  |
Period following issuance date, dividends, tranche three |  | 72 months |  |  |
Primary Offering |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Issuance of common stock (in shares) | 1,625,000 |  |  |  |
Secondary Offering |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Issuance of common stock (in shares) | 1,625,000 |  |  |  |
Common Stock |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Public offering price per share |  |  |  |  | $ 4.00
Issuance of common stock (in shares) |  |  | 1,625,000 | 5,219,000 |
Issuance of common stock |  |  | $ 2 | $ 5 |

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