CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Operating Activities:
Net income (loss)	$ (270)	$ 57
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	55	40
Stock-based compensation	98	70
Penalties and waived penalties on dividends	6	7
Changes in operating assets and liabilities:
Accounts receivable	(208)	(660)
Inventories		(7)
Prepaid expenses and other assets	30	4
Accounts payable and accrued expenses	(106)	212
Deferred revenue	(102)	397
Net cash provided by (used in) operating activities	(497)	120
Investing Activities:
Purchases of property and equipment	(12)	(17)
Financing Activities:
Proceeds from line of credit		508
Payments of dividends	(439)	(328)
Proceeds from stock options exercised	47
Principal payments on capital leases	(40)	(34)
Net cash provided by (used in) financing activities	(432)	146
Net increase (decrease) in cash and cash equivalents	(941)	249
Cash and cash equivalents at beginning of period	1,139	52
Cash and cash equivalents at end of period	198	301
Cash paid during the year for interest		5
SUPPLEMENTAL DISCLOSURE OF NON CASH FINANCING ACTIVITIES:
Preferred stock dividends accrued	37	37
Purchase of leased equipment under capital lease	177
Conversion of preferred shares to common stock	$ 93