COMMITMENTS AND CONTINGENCIES (Details) |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2016
USD ($)
item
|
Dec. 31, 2015
USD ($)
|
Dec. 31, 2014
USD ($)
|
|
| COMMITMENTS AND CONTINGENCIES | |||
| Pension expense | $ 273,000 | $ 266,000 | $ 191,000 |
| Annual fixed leasehold rent for next five years | 371,094 | ||
| Annual fixed leasehold rent thereafter through March 3, 2020 | $ 463,867 | ||
| Number of 5-year extension options | item | 5 | ||
| Lease extension period for the first five renewal options | 5 years | ||
| Number of seven month extension options | item | 1 | ||
| Lease extension period for the last renewal option | 7 months | ||