Notes Payable (M3t) - Additional Information (Detail) - M3 [Member] - Waterline [Member] - USD ($)	12 Months Ended
	Dec. 31, 2014	Mar. 31, 2015
Debt Instrument [Line Items]
Cost of the waterline	$ 3,100,000
Long-term debt purchase commitment period	36 months
Percentage of expected internal rate of return	15.00%
Amount of expected internal rate of return	$ 105,730
Long-term asset net of depreciation		$ 3,100,000
Note payable, current		925,128
Long-term note payable		$ 1,849,343