Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Cash flows from operating activities:
Net loss	$ (1,539,231)	$ (2,485,562)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Net income in equity method investment	(96,058)	(57,650)
Depreciation and amortization	263,519	415,607
Loss on disposal of property, plant and equipment	0	307,402
Accretion of obligation for lease disposal costs	(37,840)	43,131
Accretion of beneficial conversion feature	45,252	37,580
Equity based compensation	243,683	348,506
Noncash interest expense	510,470	202,228
Changes in operating assets and liabilities:
Accounts receivable	262,466	(184,613)
Prepaids and other assets	262,775	137,622
Inventories	429,243	(193,788)
Accounts payable and accrued liabilities	(4,471)	35,639
Net cash provided by (used in) operating activities	339,808	(1,393,898)
Cash flows from investing activities:
Restricted certificate of deposit	(21,093)	(1,045)
Dividends received from equity method investment	96,681	82,708
Proceeds from sale of property, plant and equipment	0	9,980
Purchase of property, plant and equipment	(115,388)	(572,101)
Net cash used in investing activities	(39,800)	(480,458)
Cash flows from financing activities:
Proceeds from issuance of convertible debentures	0	1,060,000
Proceeds from issuance of debt	0	500,000
Proceeds from sale of stock	8,417	460,949
Principal payments on notes payable and capital leases	(206,258)	(236,362)
Net cash (used in) provided by financing activities	(197,841)	1,784,587
Net increase (decrease) in cash and cash equivalents	102,167	(89,769)
Cash and cash equivalents at beginning of period	456,374	546,143
Cash and cash equivalents at end of period	558,541	456,374
Supplemental disclosure of cash flow activities:
Cash paid for interest	236,024	200,375
Supplemental disclosure of noncash financing and investing transactions:
Increase in equity and decrease in debt for the beneficial conversion feature associated with the convertible debentures	15,464	75,715
Increase in equity and decrease in debt for amount allocated to warrants issued with convertible debentures	384,428	383,025
Increase in equity for issuance of stock in lieu of interest on note	15,976	0
Decrease in accrued interest through warrant exercise	0	110,733
Increase in notes payable through conversion of NRC payable	$ 0	$ 596,816