Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 1,297	$ 2,200
Trade accounts receivable, net of allowance for doubtful accounts of $115 and $113, respectively	6,798	7,507
Other accounts receivable	12	62
Inventory	4,234	4,071
Prepaid assets	2,041	1,670
Total current assets	14,382	15,510
Property and equipment, net	111	132
Other assets	419	384
Total assets	14,912	16,026
Current liabilities:
Accounts payable	3,573	3,839
Accrued expenses	1,493	1,597
Total current liabilities	5,066	5,436
Commitments and Contingencies (Note 13)
Stockholders’ equity:
Preferred stock, $0.001 par value, 10,000 shares authorized (no shares issued and outstanding)
Common stock, $0.001 par value, 40,000 shares authorized; 14,389 and 14,389 shares issued and outstanding as of March 31, 2017 and December 31, 2016, respectively	14	14
Additional paid-in capital common stock	33,187	33,147
Accumulated other comprehensive loss	(2,375)	(2,695)
Accumulated deficit	(20,980)	(19,876)
Total stockholders’ equity	9,846	10,590
Total liabilities and stockholders’ equity	$ 14,912	$ 16,026