CONSOLIDATED BALANCE SHEETS (in thousands, except share data) (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
CURRENT ASSETS:
Cash and cash equivalents	$ 10,513	$ 11,571
Trade accounts receivable, net of allowance for doubtful accounts of $109 and $96, respectively	5,304	4,725
Inventories	4,407	4,059
Other current assets	540	483
TOTAL CURRENT ASSETS	20,764	20,838
Property, plant and equipment - net	1,998	1,875
Other assets	62	63
TOTAL ASSETS	22,824	22,776
CURRENT LIABILITIES:
Accounts payable	1,490	1,428
Accrued compensation	1,557	2,208
Deferred revenue	1,434	1,926
Other accrued liabilities	797	703
TOTAL CURRENT LIABILITIES	5,278	6,265
Long-term other payables	451	479
COMMITMENTS	0	0
STOCKHOLDERS' EQUITY
Preferred stock - Authorized, 5,000,000 shares, including 200,000 shares of Series A Junior Participating Issued and outstanding, none	0	0
Common stock, at stated value - Authorized, 30,000,000 shares Issued and outstanding, 8,048,516 shares as of March 31, 2017 and 8,015,746 shares as of December 31, 2016	19,206	19,204
Accumulated (deficit)	(2,381)	(3,360)
Accumulated other comprehensive income	270	188
TOTAL STOCKHOLDERS' EQUITY	17,095	16,032
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 22,824	$ 22,776

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.