BORROWINGS AND OTHER FINANCING ARRANGEMENTS (Narrative) (Details) - USD ($)
|
12 Months Ended |
|
|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
| BORROWINGS [Line Items] |
|
|
|
| Short-term |
$ 6,605,894
|
$ 0
|
|
| Short-term |
|
|
|
| Weighted average interest rate (as a percent) |
6.00%
|
|
|
| Interest expense |
|
|
|
| Interest Costs Incurred |
$ 4,045,277
|
|
|
| Interest Paid, Capitalized |
108,975
|
|
|
| Sale Leaseback Transaction, Net Book Value |
33,753,639
|
|
|
| Sale Leaseback Transaction, Gross Proceeds, Investing Activities |
$ 39,535,563
|
|
|
| Solar Project, Useful Life |
25 years
|
|
|
| Failed Sale Leaseback Transaction, Amount Due under Financing Arrangement, Noncurrent |
$ 38,575,716
|
|
|
| Capital Leases, Balance Sheet, Assets by Major Class, Net |
32,994,934
|
|
|
| Failed Sale Leaseback Transaction, Amount Due under Financing Arrangement, Current |
1,638,904
|
$ 0
|
|
| Interest Expense, Debt |
836,959
|
|
|
| Capital Lease Obligations |
$ 29,298,799
|
|
|
| Sale Leaseback Transaction, Lease Terms |
for 5 to 10 years
|
|
|
| Financings With Failed Sale-Lease Back Transactions [Member] |
|
|
|
| Interest expense |
|
|
|
| Failed Sale Leaseback Transaction, Amount Due under Financing Arrangement, Current |
$ 1,638,904
|
|
|
| Debt, Weighted Average Interest Rate |
6.07%
|
|
|
| Long-term [Member] |
|
|
|
| Long-term |
|
|
|
| Weighted average interest rate (as a percent) |
5.80%
|
6.80%
|
6.58%
|
| Secured debt [Member] |
|
|
|
| BORROWINGS [Line Items] |
|
|
|
| Short-term |
$ 6,605,894
|
|
|
| Secured borrowings |
$ 32,513,900
|
|
|