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CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY - USD ($) | Total | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Sub-Total ASHS [Member] | Non-controlling Interest [Member]
--- | --- | --- | --- | --- | --- | ---
Balances at Dec. 31, 2015 | $ 25,180,000 | $ 10,376,000 | $ 5,734,000 | $ 4,020,000 | $ 20,130,000 | $ 5,050,000
Balances (in shares) at Dec. 31, 2015 |  | 5,364,000 |  |  |  |
Stock-based compensation expense | 215,000 | $ 0 | 215,000 | 0 | 215,000 | 0
Stock-based compensation expense (in shares) |  | 4,000 |  |  |  |
Proceeds from warrants exercised | 220,000 | $ 220,000 | 0 | 0 | 220,000 | 0
Proceeds from warrants exercised (in shares) |  | 100,000 |  |  |  |
Non-controlling interest investment in subsidiaries | 7,000 | $ 0 | 0 | 0 | 0 | 7,000
Cash distributions to non-controlling interests | (699,000) | 0 | 0 | 0 | 0 | (699,000)
Net income | 2,250,000 | 0 | 0 | 930,000 | 930,000 | 1,320,000
Balances at Dec. 31, 2016 | 27,173,000 | $ 10,596,000 | 5,949,000 | 4,950,000 | 21,495,000 | 5,678,000
Balances (in shares) at Dec. 31, 2016 |  | 5,468,000 |  |  |  |
Stock-based compensation expense | 323,000 | $ 0 | 323,000 | 0 | 323,000 | 0
Stock-based compensation expense (in shares) |  | 4,000 |  |  |  |
Restricted stock awards | 0 | $ 0 | 0 | 0 | 0 | 0
Restricted stock awards (in shares) |  | 162,000 |  |  |  |
Warrants and options exercised | 115,000 | $ 115,000 | 0 | 0 | 115,000 | 0
Warrants and options exercised (in shares) |  | 76,000 |  |  |  |
Cash distributions to non-controlling interests | (666,000) | $ 0 | 0 | 0 | 0 | (666,000)
Net income | 2,940,000 | 0 | 0 | 1,923,000 | 1,923,000 | 1,017,000
Balances at Dec. 31, 2017 | 29,885,000 | $ 10,711,000 | 6,272,000 | 6,873,000 | 23,856,000 | 6,029,000
Balances (in shares) at Dec. 31, 2017 |  | 5,710,000 |  |  |  |
Stock-based compensation expense | 223,000 | $ 0 | 223,000 | 0 | 223,000 | 0
Stock-based compensation expense (in shares) |  | 4,000 |  |  |  |
Cash distributions to non-controlling interests | (690,000) | $ 0 | 0 | 0 | 0 | (690,000)
Net income | 1,630,000 | 0 | 0 | 1,023,000 | 1,023,000 | 607,000
Balances at Dec. 31, 2018 | $ 31,048,000 | $ 10,711,000 | $ 6,495,000 | $ 7,896,000 | $ 25,102,000 | $ 5,946,000
Balances (in shares) at Dec. 31, 2018 |  | 5,714,000 |  |  |  |

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