Statements of Cash Flows (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Cash flows from operating activities:
Net loss	$ (345,000)	$ (750,000)
Adjustments to reconcile net loss to net cash provided by / (used in) operating activities:
Depreciation	277,000	289,000
Loss on disposal of property, plant and equipment	1,000
Amortization of debt issuance costs	48,000	71,000
Provision for bad debts	(14,000)	24,000
Provision for slow moving and obsolete inventory	188,000	(58,000)
Share-based payment expense	58,000	29,000
Changes in:
Accounts receivable	(126,000)	49,000
Inventory	176,000	769,000
Prepaid expenses and other current assets	58,000	(44,000)
Other assets	0	2,000
Accounts payable	199,000	(246,000)
Accrued expenses and other current liabilities	(75,000)	(219,000)
Unearned grant	(10,000)	(10,000)
Wages payable	12,000	37,000
Other liabilities	2,000	4,000
Net cash provided by / (used in) operating activities	449,000	(53,000)
Cash flows from investing activities:
Purchase of property, plant and equipment	(173,000)	(70,000)
Net cash used in investing activities	(173,000)	(70,000)
Cash flows from financing activities:
Net proceeds (payments) from line of credit	(96,000)	232,000
Payments on debt financing	(124,000)	(107,000)
Net cash (used in) / provided by financing activities	(220,000)	125,000
Net increase in cash and cash equivalents	56,000	2,000
Cash and cash equivalents - beginning of period	37,000	35,000
Cash and cash equivalents - end of period	93,000	37,000
Supplemental disclosures of cash flow information:
Cash paid during the year for interest	199,000	216,000
Purchase of property, plant and equipment, financing through capital lease	$ 0	$ 4,000