Inventories (Details) - USD ($)	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2017	Dec. 31, 2016
Reserve for excess and obsolete inventory		$ 7,021,229	$ 7,164,673
Inventory sold that was previously reserved		$ 143,443
Impairment of inventories	$ 9,906
PowerPhase Pro [Member]
Reserve for excess and obsolete inventory			6,800,000
Other Obsolete Inventory [Member]
Reserve for excess and obsolete inventory			$ 350,000