Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 14,438	$ 13,290
Trade accounts receivable, net of allowance for doubtful accounts of $152 and $213, respectively	11,524	12,166
Inventories	6,668	4,966
Prepaid expenses and other current assets	657	577
Total current assets	33,287	30,999
Property and equipment:
Machinery and equipment	4,993	5,033
Leasehold improvements	1,861	822
Gross property and equipment	6,854	5,855
Less: accumulated depreciation	(4,451)	(4,314)
Net property and equipment	2,403	1,541
Goodwill	13,738	13,738
Intangible assets, net	15,798	16,014
Restricted certificates of deposit	175	175
Other assets	32	26
Total assets	65,433	62,493
Current liabilities:
Accounts payable	3,280	2,032
Accrued wages and benefits	1,745	2,781
Accrued rent	515	521
Accrued professional fees	774	717
Accrued sales commissions	422	529
Customer deposits and deferred revenue	769	886
Domestic and foreign income taxes payable	1,773	1,199
Earnout payable	5,833	5,355
Other current liabilities	527	399
Total current liabilities	15,638	14,419
Federal transition tax payable, net of current portion	436	436
Deferred tax liabilities	2,539	2,606
Business Combination, Contingent Consideration, Liability, Noncurrent	6,992	5,744
Total liabilities	25,605	23,205
Commitments and Contingencies
Stockholders' equity:
Preferred stock, $0.01 par value; 5,000,000 shares authorized; no shares issued or outstanding
Common stock, $0.01 par value; 20,000,000 shares authorized; 10,506,635 and 10,427,435 shares issued, respectively	105	104
Additional paid-in capital	25,980	25,860
Retained earnings	13,027	12,646
Accumulated other comprehensive earnings	920	882
Treasury stock, at cost; 33,077 shares	(204)	(204)
Total stockholders' equity	39,828	39,288
Total liabilities and stockholders' equity	$ 65,433	$ 62,493