Revenue Recognition (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenue, Net	$ 64,923,960	$ 51,699,930	$ 114,707,413	$ 93,566,778
Lithium Business [Member]
Revenue, Net	48,503,856		85,100,511
Ni-MH Batteries and Accessories [Member]
Revenue, Net	16,420,104		29,606,902
China Mainland [Member]
Revenue, Net	32,880,005	32,086,138	61,185,768	54,247,730
China Mainland [Member] | Lithium Business [Member]
Revenue, Net	24,282,910		46,873,862
China Mainland [Member] | Ni-MH Batteries and Accessories [Member]
Revenue, Net	8,597,095		14,311,906
Asia, others [Member]
Revenue, Net	25,183,900	12,092,612	40,938,296	25,788,170
Asia, others [Member] | Lithium Business [Member]
Revenue, Net	22,323,852		35,094,564
Asia, others [Member] | Ni-MH Batteries and Accessories [Member]
Revenue, Net	2,860,048		5,843,732
Europe [Member]
Revenue, Net	4,849,360	3,612,677	9,387,263	8,465,407
Europe [Member] | Lithium Business [Member]
Revenue, Net	1,161,586		2,066,755
Europe [Member] | Ni-MH Batteries and Accessories [Member]
Revenue, Net	3,687,774		7,320,508
North America [Member]
Revenue, Net	1,998,243	3,604,935	3,163,074	4,663,067
North America [Member] | Lithium Business [Member]
Revenue, Net	735,508		1,065,330
North America [Member] | Ni-MH Batteries and Accessories [Member]
Revenue, Net	1,262,735		2,097,744
Other [Member]
Revenue, Net	12,452	$ 303,568	33,012	$ 402,404
Other [Member] | Lithium Business [Member]
Revenue, Net	0		0
Other [Member] | Ni-MH Batteries and Accessories [Member]
Revenue, Net	$ 12,452		$ 33,012