Discontinued Operations - Schedule of Major Classes of Assets and Liabilities (Detail) - USD ($)	Sep. 30, 2015	Dec. 31, 2014
Current Assets:
Total current assets	$ 0	$ 11,653,934
Current Liabilities:
Total current liabilities	20,139	544,432
Discontinued Operations [Member]
Current Assets:
Cash and cash equivalents	0	257,358
Accounts receivable, net	0	1,002,918
Unbilled gas	0	735,122
Inventory	0	181,197
Prepayments and other	0	71,101
Regulatory assets, current	0	250,031
Total current assets	0	2,497,727
Non-Current Assets:
Property, plant & equipment, net	0	8,966,965
Regulatory assets, non-current	0	155,826
Other assets	0	33,416
Total non-current assets	0	9,156,207
Total discontinued assets	0	11,653,934
Current Liabilities:
Accounts payable	20,139	29,657
Accrued liabilities	0	334,664
Other current liabilities	0	139,318
Total current liabilities	20,139	503,639
Non-Current Liabilities:
Customer advances for construction	0	40,793
Total discontinued liabilities	20,139	544,432
Discontinued Operations [Member] | EWW/EWD [Member]
Current Assets:
Cash and cash equivalents	0	257,358
Accounts receivable, net	0	1,002,763
Unbilled gas	0	735,122
Inventory	0	181,197
Prepayments and other	0	71,101
Regulatory assets, current	0	250,031
Total current assets	0	2,497,572
Non-Current Assets:
Property, plant & equipment, net	0	8,966,965
Regulatory assets, non-current	0	155,826
Other assets	0	33,416
Total non-current assets	0	9,156,207
Total discontinued assets	0	11,653,779
Current Liabilities:
Accounts payable	0	28,578
Accrued liabilities	0	334,664
Other current liabilities	0	123,318
Total current liabilities	0	486,560
Non-Current Liabilities:
Customer advances for construction	0	40,793
Total discontinued liabilities	0	527,353
Discontinued Operations [Member] | Independence [Member]
Current Assets:
Cash and cash equivalents	0	0
Accounts receivable, net	0	155
Unbilled gas	0	0
Inventory	0	0
Prepayments and other	0	0
Regulatory assets, current	0	0
Total current assets	0	155
Non-Current Assets:
Property, plant & equipment, net	0	0
Regulatory assets, non-current	0	0
Other assets	0	0
Total non-current assets	0	0
Total discontinued assets	0	155
Current Liabilities:
Accounts payable	20,139	1,079
Accrued liabilities	0	0
Other current liabilities	0	16,000
Total current liabilities	20,139	17,079
Non-Current Liabilities:
Customer advances for construction	0	0
Total discontinued liabilities	$ 20,139	$ 17,079