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
|
|