|
Note 15 - Power Purchase Contract Liability (Details) (USD $)
|
12 Months Ended | 12 Months Ended | 1 Months Ended | 1 Months Ended | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Dec. 31, 2013
Remaining PPA Contract Term [Member]
Woodstock Hills Wind Farm [Member]
Power Purchase Agreement with NSP [Member]
|
Dec. 31, 2013
Woodstock Hills Wind Farm [Member]
Power Purchase Agreement with NSP [Member]
Letter Of Credit One [Member]
|
Dec. 31, 2013
Woodstock Hills Wind Farm [Member]
Power Purchase Agreement with NSP [Member]
Letter Of Credit Two [Member]
|
Dec. 31, 2013
Woodstock Hills Wind Farm [Member]
Power Purchase Agreement with NSP [Member]
|
Dec. 31, 2012
Woodstock Hills Wind Farm [Member]
Power Purchase Agreement with NSP [Member]
|
Apr. 30, 2011
Woodstock Hills Wind Farm [Member]
Power Purchase Agreement with NSP [Member]
|
Dec. 31, 2013
Woodstock Hills Wind Farm [Member]
Power Purchase Agreement with NSP [Member]
Minimum [Member]
|
Dec. 31, 2013
Woodstock Hills Wind Farm [Member]
Power Purchase Agreement with NSP [Member]
Maximum [Member]
|
Dec. 31, 2013
Valley View Wind Farm [Member]
Power Purchase Agreement with NSP [Member]
|
Dec. 31, 2012
Valley View Wind Farm [Member]
Power Purchase Agreement with NSP [Member]
|
Dec. 31, 2011
Valley View Wind Farm [Member]
Power Purchase Agreement with NSP [Member]
|
Apr. 30, 2012
Letter Of Credit One [Member]
|
Dec. 31, 2010
Letter Of Credit One [Member]
|
Apr. 30, 2011
Letter Of Credit Two [Member]
|
Dec. 31, 2013
Letter of Credit [Member]
|
|
| Note 15 - Power Purchase Contract Liability (Details) [Line Items] | |||||||||||||||
| Contract Term | 23 years | 30 years | |||||||||||||
| Power Purchase Rate (in Dollars per Megawatt-hour) | 16 | 45 | |||||||||||||
| Average Power Purchase Rate (in Dollars per Megawatt-hour) | 29 | ||||||||||||||
| Deferred Revenue | $ 324,000 | $ 363,000 | $ 14,000 | $ 16,000 | |||||||||||
| Unfavorable Contract Liabilities | 3,700,000 | ||||||||||||||
| Letter Of Credit Amount | 500,000 | 255,000 | 750,000 | ||||||||||||
| Escrow Deposit | 50,000 | 388,000 | |||||||||||||
| Payments for Deposits | $ 28,125 | $ 12,750 | |||||||||||||