Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
CASH FLOWS PROVIDED BY (USED IN) OPERATING ACTIVITIES:
Net income (loss)	$ (939)	$ 1,203	$ 2,145
Depreciation and amortization	2,497	1,699	2,052
Deferred tax (benefit) expense	(637)	606	1,056
Stock-based compensation	423	378	414
Unrealized (gain)/loss on foreign currency translation	20	46	10
Accounts receivable	(159)	(3,099)	929
Inventories	(1,687)	(1,405)	(850)
Other current assets	(642)	(1,551)	(93)
Accounts payable	(2,276)	1,298	(164)
Accrued liabilities and other	(130)	741	(259)
Income taxes payable
Other non-current assets	(179)
Deferred revenue and other	2,312	(285)	(352)
Net cash provided by (used in) operating activities	(1,397)	(369)	4,888
CASH FLOWS FROM INVESTING ACTIVITIES:
Investment in subsidiary	(3,019)
Purchase of property and equipment	(1,930)	(1,509)	(1,084)
Proceeds from disposition of property and equipment	5,020
Net cash provided by (used in) investing activities	71	(1,509)	(1,084)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of common stock	323	390	124
Proceeds from (repayments of) line of credit borrowings, net	2,246	2,552	(3,079)
Proceeds from (repayments of) other debt	(1,025)
Dividends paid to stockholders		(1,602)
Net cash provided by (used in) financing activities	1,544	1,340	(2,955)
EFFECT OF EXCHANGE RATE CHANGES ON CASH	14	(10)	(9)
INCREASE IN CASH AND CASH EQUIVALENTS	232	(548)	840
CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR	5,784	6,332	5,492
CASH AND CASH EQUIVALENTS, END OF YEAR	6,016	5,784	6,332
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash paid for interest	78	77	28
Cash paid for income taxes	84	153	214
Non-cash transfer of inventory to pp&e and other LT assets	3,502	1,327	351
Prepaid applied to acquisition of Heska Imaging	1,000
Issuance of stock for investment in subsidiary	3,571
Accretion of non-controlling interest	$ 1,867