CONSOLIDATED BALANCE SHEETS - (UNAUDITED) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
ASSETS
Cash and cash equivalents	$ 20,175	$ 20,395
Restricted cash	1,519	1,519
Accounts receivable, net of allowance of $286 and $142 in 2014 and 2013, respectively	189	423
Income tax receivable	10	4
Inventories, net	13,955	13,988
Prepaid expenses and other current assets	3,434	3,061
Deferred commissions	4,094	2,706
Deferred tax assets, net	1,138	1,578
Total current assets	44,514	43,674
Property and equipment, net	2,894	3,239
Long-term restricted cash	4,199	4,254
Other assets	3,720	3,591
Long-term deferred tax assets, net	1,574	1,303
Total assets	56,901	56,061
LIABILITIES AND SHAREHOLDERS' EQUITY
Current portion of capital leases	1,226	704
Accounts payable	5,342	4,996
Accrued expenses	6,182	5,796
Commissions and incentives payable	6,625	10,210
Taxes payable	1,472	1,858
Current deferred tax liability	119	114
Deferred revenue	9,718	6,380
Total current liabilities	30,684	30,058
Capital leases, excluding current portion	330	450
Other long-term liabilities	1,961	2,101
Total liabilities	32,975	32,609
Commitments and contingencies
Shareholders' equity:
Preferred stock, $0.01 par value, 1,000,000 shares authorized, no shares issued or outstanding	0	0
Common stock, $0.0001 par value, 99,000,000 shares authorized, 2,773,972 shares issued and 2,654,913 shares outstanding as of March 31, 2014 and 2,773,972 shares issued and 2,653,913 shares outstanding as of December 31, 2013	0	0
Additional paid-in capital	42,654	42,592
Accumulated deficit	(3,518)	(3,746)
Accumulated other comprehensive loss	(680)	(743)
Less treasury stock, at cost, 119,059 and 120,059 shares in 2014 and 2013, respectively	(14,530)	(14,651)
Total shareholders' equity	23,926	23,452
Total liabilities and shareholders' equity	$ 56,901	$ 56,061