Cost of revenues and general and administrative expenses (Tables)

12 Months Ended

Dec. 31, 2016

Cost of revenues and general and administrative expenses [Abstract]

Cost Of Revenues And General And Administrative Expenses [Table Text Block]

	Year Ended December 31,
	2016		2015		2014
Cost of revenues consist of:
Electricity	$	9,037,347	$	10,675,287	$	14,631,638
Depreciation		5,355,529		5,270,454		5,077,293
Fuel oil		4,210,542		4,974,421		8,726,195
Employee costs		5,541,983		4,287,783		4,274,007
Cost of plant sales		142,151		878,396		1,470,045
Maintenance		3,545,269		3,436,736		3,131,947
Retail license royalties		1,528,914		1,427,073		1,405,067
Insurance		992,374		1,187,097		1,397,799
Materials		1,280,794		-		-
Other		1,989,918		1,670,735		1,972,987
	$	33,624,821	$	33,807,982	$	42,086,978
General and administrative expenses consist of:
Employee costs	$	7,598,829	$	6,841,274	$	6,671,510
Insurance		782,013		802,386		923,089
Professional fees		1,101,938		941,193		1,424,927
Directors’ fees and expenses		774,769		754,145		686,228
Depreciation		384,045		218,032		278,478
NSC project expenses		3,011,989		1,976,408		3,606,332
Amortization of intangibles		1,410,143		89,896		89,896
Other		3,613,858		3,216,822		3,330,581
	$	18,677,584	$	14,840,156	$	17,011,041