CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Cash Flows From Operating Activities:
Net loss	$ (6,771)	$ (902)
Adjustments to reconcile net loss to cash provided by (used in) operating activities:
Depreciation	490	460
Amortization	818	955
Stock-based compensation expense	216	245
Provision for inventory reserves	2,053	474
Provision for doubtful accounts	65	(20)
Non cash pension expense	(20)	(11)
Deferred income taxes	34	32
Changes in operating assets and liabilities:
Accounts receivable	(72)	836
Inventories	1,793	(269)
Prepaid and other current assets	374	(193)
Other assets	(89)	131
Income taxes payable	(18)	0
Accounts payable, accrued expenses and accrued compensation	329	(123)
Net cash provided by (used in) operating activities	(798)	1,615
Cash Flows From Investing Activities:
Capital expenditures	(188)	(673)
Acquisition of licenses	(453)	(554)
Net cash used in investing activities	(641)	(1,227)
Cash Flows From Financing Activities:
Net borrowings (repayment) on line of credit	1,395	(6)
Repayments of debt	(279)	(270)
Borrowings of debt	100	0
Proceeds from exercise of stock options	0	41
Proceeds from sale of common stock	0	12
Net cash provided by (used in) financing activities	1,216	(223)
Net increase (decrease) in cash	(223)	165
Cash, beginning of year	232	67
Cash, end of year	9	232
Supplemental Cash Flow Information:
Cash paid for interest	297	249
Cash paid for income taxes	$ 0	$ 0