Supplemental disclosure of cash flow information

12 Months Ended

Dec. 31, 2013

21. Supplemental disclosure of cash flow information

	Year Ended December 31,
	2013		2012		2011
Interest paid in cash, net of capitalized interest of $246,851 in 2011	$	380,014	$	670,042	$	962,744

Non-cash transactions:
Transfers from (to) inventory to (from) property plant and equipment, net	$	181,875	$	508,107	$	(100,000)
Issuance of 25,111, 21,686 and 11,158, respectively, of common stock for services rendered	$	217,826	$	175,313	$	104,443
Issuance of 10,180, 10,033 and 7,455, respectively, of redeemable preferred stock for services rendered	$	110,249	$	77,856	$	65,902
Conversion (on a one-to-one basis) of 4,720, 2,629 and 2,145, respectively, of redeemable preferred stock to common stock	$	2,832	$	1,577	$	1,287
Dividends declared but not paid	$	1,104,271	$	1,096,746	$	1,094,334
Obligation incurred for investment in land	$	10,050,000	$	-	$	-