CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Operating Activities:
Net loss	$ (92)	$ (755)
Adjustments to reconcile net loss to net cash provided by (used) in operating activities:
Depreciation and amortization	113	74
Stock-based compensation	165	168
Changes in operating assets and liabilities:
Accounts receivable	(121)	(261)
Inventories		25
Prepaid expenses and other assets	40	(11)
Accounts payable and accrued expenses	158	217
Deferred revenue	(34)	(921)
Net cash provided by (used in) operating activities	229	(1,464)
Investing Activities:
Purchases of property and equipment	(21)	(29)
Financing Activities:
Borrowings on loan from officer		1,300
Dividends paid on preferred stock		(51)
Proceeds from line of credit	720
Payments on line of credit	(757)
Penalties and waived penalties on dividends	14	1
Proceeds from stock options exercised	8	20
Proceeds from warrants exercised	44	26
Principal payments on capital leases	(70)	(21)
Net cash provided by (used in) financing activities	(41)	1,275
Net increase (decrease) in cash and cash equivalents	167	(218)
Cash and cash equivalents at beginning of period	308	540
Cash and cash equivalents at end of period	475	322
Cash paid during the year for interest	13
SUPPLEMENTAL DISCLOSURE OF NON CASH FINANCING ACTIVITIES:
Preferred stock dividends accrued	116	113
Purchase of leased equipment under capital lease	$ 153	$ 114