CONSOLIDATED BALANCE SHEETS - (UNAUDITED) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
ASSETS
Cash and cash equivalents	$ 19,441	$ 14,377
Restricted cash	1,527	1,515
Accounts receivable, net of allowance of $40 and $20 in 2013 and 2012, respectively	402	324
Income tax receivable	188	884
Inventories, net	14,733	15,154
Prepaid expenses and other current assets	3,614	2,487
Deferred commissions	2,240	562
Deferred tax assets	647	561
Total current assets	42,792	35,864
Property and equipment, net	3,614	4,825
Construction in progress	30	8
Long-term restricted cash	5,035	3,736
Other assets	2,938	3,187
Long-term deferred tax assets	633	502
Total assets	55,042	48,122
LIABILITIES AND SHAREHOLDERS' EQUITY
Current portion of capital leases	653	780
Accounts payable	6,784	4,154
Accrued expenses	7,598	6,348
Commissions and incentives payable	9,195	7,935
Taxes payable	1,972	3,901
Current deferred tax liability	291	179
Deferred revenue	5,284	1,486
Total current liabilities	31,777	24,783
Capital leases, excluding current portion	583	938
Long-term deferred tax liabilities	10	2
Other long-term liabilities	1,706	2,178
Total liabilities	34,076	27,901
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 2,653,913 shares outstanding as of September 30, 2013 and 2,768,972 shares issued and 2,647,735 shares outstanding as of December 31, 2012	0	0
Additional paid-in capital	42,556	42,614
Accumulated deficit	(6,293)	(6,920)
Accumulated other comprehensive loss	(646)	(677)
Less treasury stock, at cost, 120,059 and 121,237 shares in 2013 and 2012, respectively	(14,651)	(14,796)
Total shareholders' equity	20,966	20,221
Total liabilities and shareholders' equity	$ 55,042	$ 48,122