Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
CASH FLOWS FROM OPERATING ACTIVITIES
Net earnings	$ 2,480	$ 2,385
Depreciation and amortization	663	640
Provision for excess and obsolete inventory	232	264
Foreign exchange loss	24	6
Amortization of deferred compensation related to restricted stock	104	86
(Gain) loss on sale of property and equipment	20	(3)
Proceeds from sale of demonstration equipment, net of gain	112	24
Deferred income tax expense (benefit)	282	(52)
Changes in assets and liabilities: Trade accounts receivable	(1,879)	(1,892)
Inventories	(791)	(612)
Prepaid expenses and other current assets	(45)	(23)
Other assets	2	(1)
Accounts payable	491	465
Accrued wages and benefits	(42)	(88)
Accrued rent	27	41
Accrued professional fees	(3)	42
Accrued sales commissions	116	54
Domestic and foreign income taxes payable	(51)	249
Other current liabilities	45	(229)
Net cash provided by operating activities	1,787	1,356
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property and equipment	(536)	(257)
Proceeds from sale of property and equipment	8	10
Net cash used in investing activitites	(528)	(247)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from stock options exercised		30
Net cash provided by financing activities		30
Effects of exchange rates on cash	(130)	36
Net cash provided by all activities	1,129	1,175
Cash and cash equivalents at beginning of period	19,018	15,576
Cash and cash equivalents at end of period	20,147	16,751
Cash payments for:
Domestic and foreign income taxes	1,023	389
SUPPLEMENTAL DISCLOSURE OF NON-CASH INVESTING AND FINANCING ACTIVITIES:
Issuance of non-vested shares of restricted stock	41	124
Forfeiture of non-vested shares of restricted stock	$ (20)