CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Sales:	$ 432	$ 1,224	$ 803	$ 2,053
Costs of sales:	418	893	664	1,363
Gross profit	14	331	139	690
Operating expenses:
General and administrative	446	1,156	1,012	2,921
Research and development	107	256	335	569
Selling and marketing	119	60	218	143
Total operating expenses	672	1,472	1,565	3,633
Loss from operations	(658)	(1,141)	(1,426)	(2,943)
Other income (expense)
Interest expense	(491)	(506)	(984)	(793)
Derivative gain (loss)	61	376	123	(500)
Other income	0	54	0	57
Loss on disposal of property and equipment	0	(18)	0	(18)
Total other income (expense)	(430)	(94)	(861)	(1,254)
Loss before income taxes	(1,088)	(1,235)	(2,287)	(4,197)
Income taxes	0	0	0	0
Net loss and comprehensive loss	$ (1,088)	$ (1,235)	$ (2,287)	$ (4,197)
Basic and diluted loss per common share	$ 0.00	$ 0.00	$ 0.00	$ 0.00
Basic and diluted weighted average shares outstanding	1,452,425	1,256,915	1,452,177	1,123,374