CONSOLIDATED BALANCE SHEETS - (UNAUDITED) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
ASSETS
Cash and cash equivalents	$ 30,663	$ 27,999
Restricted cash	1,515	1,511
Accounts receivable, net of allowance of $237 and $213 in 2015 and 2014, respectively	336	504
Income tax receivable	15	4
Inventories, net	14,247	10,591
Prepaid expenses and other current assets	2,668	3,069
Deferred commissions	4,152	4,544
Deferred tax assets, net	1,184	1,141
Total current assets	54,780	49,363
Property and equipment, net	4,434	2,481
Construction in progress	439	1,622
Long-term restricted cash	7,297	7,045
Other assets	4,033	3,567
Long-term deferred tax assets, net	3,462	3,320
Total assets	74,445	67,398
LIABILITIES AND SHAREHOLDERS' EQUITY
Current portion of capital leases	761	901
Accounts payable	6,398	4,252
Accrued expenses	6,699	6,356
Commissions and incentives payable	8,722	7,908
Taxes payable	2,538	2,578
Current deferred tax liability	129	123
Deferred revenue	9,770	10,890
Total current liabilities	35,017	33,008
Capital leases, excluding current portion	1,260	852
Long-term deferred tax liabilities	69	26
Other long-term liabilities	2,167	2,136
Total liabilities	$ 38,513	$ 36,022
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 2,681,078 shares outstanding as of June 30,2015 and 2,773,972 shares issued and 2,676,077 shares outstanding as of December 31, 2014	0	0
Additional paid-in capital	40,408	40,672
Retained earnings	6,992	2,750
Accumulated other comprehensive loss	(141)	(109)
Treasury stock, at average cost, 92,894 shares as of June 30,2015 and 97,895 shares as of December 31, 2014, respectively	(11,327)	(11,937)
Total shareholders' equity	35,932	31,376
Total liabilities and shareholders' equity	$ 74,445	$ 67,398