Discontinued Operations - Schedule of Major Classes of Assets and Liabilities (Detail) - USD ($)	Jun. 30, 2015	Dec. 31, 2014
Current Assets:
Total current assets	$ 10,483,892	$ 11,653,934
Current Liabilities:
Total current liabilities	540,986	544,432
Discontinued Operations [Member]
Current Assets:
Cash and cash equivalents	47,108	257,358
Accounts receivable, net	439,851	1,002,918
Unbilled gas	82,040	735,122
Inventory	211,810	181,197
Prepayments and other	73,019	71,101
Regulatory assets, current	51,808	250,031
Total current assets	905,636	2,497,727
Non-Current Assets:
Property, plant & equipment, net	9,389,156	8,966,965
Regulatory assets, non-current	155,826	155,826
Other assets	33,274	33,416
Total non-current assets	9,578,256	9,156,207
Total discontinued assets	10,483,892	11,653,934
Current Liabilities:
Accounts payable	52,978	29,657
Accrued liabilities	269,053	334,664
Other current liabilities	184,213	139,318
Total current liabilities	506,244	503,639
Non-Current Liabilities:
Customer advances for construction	34,742	40,793
Total discontinued liabilities	540,986	544,432
Discontinued Operations [Member] | EWW/EWD [Member]
Current Assets:
Cash and cash equivalents	47,108	257,358
Accounts receivable, net	439,851	1,002,763
Unbilled gas	82,040	735,122
Inventory	211,810	181,197
Prepayments and other	73,019	71,101
Regulatory assets, current	51,808	250,031
Total current assets	905,636	2,497,572
Non-Current Assets:
Property, plant & equipment, net	9,389,156	8,966,965
Regulatory assets, non-current	155,826	155,826
Other assets	33,274	33,416
Total non-current assets	9,578,256	9,156,207
Total discontinued assets	10,483,892	11,653,779
Current Liabilities:
Accounts payable	43,963	28,578
Accrued liabilities	269,053	334,664
Other current liabilities	180,763	123,318
Total current liabilities	493,779	486,560
Non-Current Liabilities:
Customer advances for construction	34,742	40,793
Total discontinued liabilities	528,521	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	9,015	1,079
Accrued liabilities	0	0
Other current liabilities	3,450	16,000
Total current liabilities	12,465	17,079
Non-Current Liabilities:
Customer advances for construction	0	0
Total discontinued liabilities	$ 12,465	$ 17,079